{"title":"StellaLyra Telescopes UK | GSO Dobsonians \u0026 Reflectors","description":"\u003cdiv style=\"max-width:1040px;margin:0 auto 24px;padding:20px 24px;background:#f4f6f8;border-top:3px solid #c89524;border-radius:0 0 10px 10px;text-align:left!important;box-sizing:border-box;\"\u003e\n\u003cp style=\"margin:0 0 16px;font-size:16px;line-height:1.65;color:#223346;text-align:left!important;\"\u003eExplore StellaLyra telescopes for visual observing and astrophotography. Choose a Dobsonian for eyepiece observing, an imaging Newtonian for deep-sky photography, or a longer-focus RC or Classical Cassegrain for smaller targets.\u003c\/p\u003e\n\u003cnav aria-label=\"StellaLyra telescope types\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:0 0 16px;\"\u003e\u003ca href=\"\/collections\/stellalyra-dobsonian-telescopes\" style=\"display:inline-flex;align-items:center;min-height:44px;max-width:100%;padding:10px 16px;box-sizing:border-box;border:1px solid #d5dde5;border-radius:6px;background:#fff;color:#07111e!important;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;\"\u003eDobsonians\u003c\/a\u003e\u003ca href=\"\/collections\/stellalyra-newtonian-reflectors-astrographs\" style=\"display:inline-flex;align-items:center;min-height:44px;max-width:100%;padding:10px 16px;box-sizing:border-box;border:1px solid #d5dde5;border-radius:6px;background:#fff;color:#07111e!important;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;\"\u003eImaging Newtonians\u003c\/a\u003e\u003ca href=\"\/collections\/stellalyra-ritchey-chretien-telescopes\" style=\"display:inline-flex;align-items:center;min-height:44px;max-width:100%;padding:10px 16px;box-sizing:border-box;border:1px solid #d5dde5;border-radius:6px;background:#fff;color:#07111e!important;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;\"\u003eRitchey–Chrétien\u003c\/a\u003e\u003ca href=\"\/collections\/stellalyra-classical-cassegrain-telescopes\" style=\"display:inline-flex;align-items:center;min-height:44px;max-width:100%;padding:10px 16px;box-sizing:border-box;border:1px solid #d5dde5;border-radius:6px;background:#fff;color:#07111e!important;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;\"\u003eClassical Cassegrains\u003c\/a\u003e\u003c\/nav\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.6;text-align:left!important;color:#435469;\"\u003eNeed help choosing? \u003ca href=\"\/pages\/stellalyra\" style=\"color:#223346!important;text-decoration:underline;font-weight:600;\"\u003eCompare telescope types in our StellaLyra guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"stellalyra-8-inch-dobsonian-telescope","title":"StellaLyra 8\" Dobsonian Telescope UK | 203mm f\/5.9","description":"\u003cstyle\u003e\n.dcs-sl8{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-sl8 *{box-sizing:border-box}.dcs-sl8 h2,.dcs-sl8 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-sl8 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-sl8 h3{font-size:23px;margin:0 0 16px}\n.dcs-sl8 p{margin:0 0 16px}.dcs-sl8 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-sl8 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-sl8 .sl8-feature,.dcs-sl8 .sl8-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-sl8 .sl8-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-sl8 .sl8-intro h2,.dcs-sl8 .sl8-intro p{color:#fff!important}\n.dcs-sl8 .sl8-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-sl8 .sl8-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-sl8 ul{padding-left:22px;margin:0 0 16px}.dcs-sl8 li{margin-bottom:8px}\n.dcs-sl8 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-sl8 th,.dcs-sl8 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-sl8 th{background:#f3f5f7;color:#091725}.dcs-sl8 th[scope=row]{width:42%}\n.dcs-sl8 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-sl8 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-sl8 details p{margin:12px 0 0}\n.dcs-sl8 .sl8-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-sl8 .sl8-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-sl8 .sl8-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-sl8 .sl8-links a:last-child{background:#f0f3f6}.dcs-sl8 a:focus-visible,.dcs-sl8 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-sl8 .sl8-intro,.dcs-sl8 .sl8-panel{padding:18px}.dcs-sl8 th,.dcs-sl8 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-sl8\"\u003e\n\u003cdiv class=\"sl8-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"sl8-label\"\u003eStellaLyra · 8-inch Dobsonian\u003c\/p\u003e\n\u003ch2\u003eMake room for more of the night sky.\u003c\/h2\u003e\n\u003cp\u003eFrom a first look at Saturn to an evening spent exploring star clusters, the StellaLyra 8-inch is built for observers who want to spend time at the eyepiece.\u003c\/p\u003e\n\u003cp\u003eA 203mm parabolic mirror, manual Dobsonian base and three included eyepieces make this a complete visual telescope with scope to grow alongside your interests.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-inch-dobsonian-complete.jpg?v=1789756913\" alt=\"Complete StellaLyra 8-inch Dobsonian telescope on its manual base\" width=\"1600\" height=\"1600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl8-panel\"\u003e\n\u003ch3\u003eWhy move up to an 8-inch?\u003c\/h3\u003e\n\u003cp\u003eA larger mirror gives you more light to work with on faint targets. The appeal is the chance to revisit familiar objects and look more closely: the scattered stars around a cluster, a nebula’s uneven outline, or a moon moving beside Jupiter.\u003c\/p\u003e\n\u003cp\u003eChoose this model if visual observing is your priority, you enjoy finding objects yourself and you have room for a full-size telescope. Storage and easy access to your observing spot matter just as much as the aperture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra_8_f6_dob_v2_detail-3.jpg?v=1775218416\" alt=\"8×50 right-angle finder and front of the StellaLyra 8-inch tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eMake finding objects part of the enjoyment.\u003c\/h3\u003e\n\u003cp\u003eThe 8×50 right-angle, correct-image finder provides a separate aiming view. Its upright image helps when working from a star chart, while the angled eyepiece lets you look down into it.\u003c\/p\u003e\n\u003cp\u003ePractise on a bright target first: centre it in the finder, check the main eyepiece, then make a small adjustment. Aligning the two views before your evening starts makes this much more rewarding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra_dobsonian_features_1.jpg?v=1775218416\" alt=\"2-inch dual-speed Crayford focuser with fine adjustment\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus for those moments of steady air.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch Crayford focuser includes a 10:1 fine control. Bring the image close with the main knob, then use smaller movements to settle the focus.\u003c\/p\u003e\n\u003cp\u003eOn the Moon, choose a crisp crater edge as your reference. On a planet, wait for the image to steady before making another adjustment; constant refocusing cannot correct atmospheric turbulence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra_8_f6_dob_v2_detail-4.jpg?v=1775218122\" alt=\"Dobsonian base, altitude tension control and carry handles\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA hands-on connection with the sky.\u003c\/h3\u003e\n\u003cp\u003eThe base turns horizontally while the tube tilts vertically. Adjustable tension and tube balance let you tune the movement to your eyepiece setup.\u003c\/p\u003e\n\u003cp\u003eFollow an object with gentle nudges as it drifts. Begin at low power, where the wider view gives you more time to practise. There is no GoTo or motorised tracking, so this telescope suits someone who enjoys learning their way around the sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra_8_f6_dob_6_detail-1.jpg?v=1775218416\" alt=\"Primary mirror cooling fan and collimation knobs\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eGive the mirror time to settle.\u003c\/h3\u003e\n\u003cp\u003eA rear cooling fan helps the mirror approach outdoor temperature. The supplied holder takes eight AA batteries, which are not included.\u003c\/p\u003e\n\u003cp\u003eA telescope brought from a warm house into a cold garden needs time before it delivers its best high-power views. Start with wider targets while it settles, rather than judging the optics immediately.\u003c\/p\u003e\n\u003cp\u003eThe rear adjustment knobs are for collimation: aligning the mirrors. A suitable collimation tool is a useful separate purchase, and checking alignment becomes part of a normal observing routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra_8_f6_dob_v2_detail-2.jpg?v=1775218122\" alt=\"Three included eyepieces, focus extension and fan battery holder\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA useful range of views from the first night.\u003c\/h3\u003e\n\u003cp\u003eThree supplied eyepieces let you find a target, explore its surroundings and then take a closer look. You can learn which views you enjoy before buying more accessories.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePower\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSuggested use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30mm 2-inch SuperView\u003c\/td\u003e\n\u003ctd\u003e40×\u003c\/td\u003e\n\u003ctd\u003eFinding objects and wider star fields\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e80×\u003c\/td\u003e\n\u003ctd\u003eCloser lunar and cluster views\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e133×\u003c\/td\u003e\n\u003ctd\u003ePlanets when the air is steady\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003ePowers are calculated from the telescope’s 1200mm focal length. More magnification is useful only while the extra detail remains clear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBuild an evening around the conditions.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA bright Moon:\u003c\/strong\u003e explore the shadows along the boundary between lunar day and night. Returning over several evenings reveals a changing landscape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteady air:\u003c\/strong\u003e spend time on a well-placed planet. Patient viewing helps you catch brief moments when finer detail becomes easier to distinguish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dark, moonless sky:\u003c\/strong\u003e explore star clusters and brighter nebulae, then try fainter targets as your confidence grows. Expect subtle visual detail rather than the saturated colours of processed astrophotographs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"sl8-panel\"\u003e\n\u003ch3\u003eIncluded in the package\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptical tube and flat-pack Dobsonian base\u003c\/li\u003e\n\u003cli\u003e8×50 right-angle correct-image finder\u003c\/li\u003e\n\u003cli\u003e30mm, 15mm and 9mm eyepieces\u003c\/li\u003e\n\u003cli\u003e2-inch to 1.25-inch adapter and 35mm focus extension\u003c\/li\u003e\n\u003cli\u003eMirror cooling fan and battery holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo separate telescope mount is needed. Plan for fan batteries and a collimation tool; a chair, red torch and simple star guide are worthwhile additions for longer sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCheck the space, then plan the first outing.\u003c\/h3\u003e\n\u003cp\u003eThe tube and base separate for transport. Check both your lifting comfort and the route through doors or stairs; a telescope that is easy to bring outside is more likely to be used regularly.\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design\u003c\/th\u003e\n\u003ctd\u003eNewtonian reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e203mm \/ 1200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003ef\/5.9 (nominal f\/6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ diameter\u003c\/th\u003e\n\u003ctd\u003e1150mm \/ 230mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube \/ base weight\u003c\/th\u003e\n\u003ctd\u003e9.5kg \/ 12.1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBase height \/ diameter\u003c\/th\u003e\n\u003ctd\u003e600mm \/ 500mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore you choose\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the 8-inch a sensible first telescope?\u003c\/summary\u003e\u003cp\u003eYes, for someone who wants visual observing and is comfortable with manual pointing, mirror alignment and moving the two main pieces. It is a substantial ground-standing instrument, so measure your storage space first.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I choose the 6-inch instead?\u003c\/summary\u003e\u003cp\u003eThe 6-inch has a narrower tube and may better suit your budget or available space. The 8-inch is worth considering if fainter objects are a priority and its size is practical for you. Compare how you will store, carry and use either telescope—not just their mirror diameters.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill it work from a town garden?\u003c\/summary\u003e\u003cp\u003eThe Moon, planets and brighter clusters provide useful starting points. Shield your eyes from nearby lights and choose targets clear of buildings. For faint galaxies and nebulae, taking the telescope to a darker site is a more effective step than simply increasing magnification.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use it for astrophotography?\u003c\/summary\u003e\u003cp\u003eThis is primarily a visual instrument. Its manual mount is not designed for long-exposure deep-sky imaging. If photography is your main aim, contact us before ordering so we can help you choose a suitable system.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"sl8-note\"\u003e\n\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003cp\u003eThis model is currently awaiting stock. Contact Dark Clear Skies for an availability update before planning an order around a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl8-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%208-inch%20Dobsonian\"\u003eAsk about the 8-inch\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55521310736760,"sku":"stellalyra_8_f6_dob_v2","price":449.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra_8_f6_dob_v2_detail-3.jpg?v=1775218416"},{"product_id":"stellalyra-6-f-8-planetary-dobsonian-telescope-uk","title":"StellaLyra 6\" f\/8 Planetary Dobsonian Telescope UK","description":"\u003cstyle\u003e\n.dcs-sl6{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-sl6 *{box-sizing:border-box}.dcs-sl6 h2,.dcs-sl6 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-sl6 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-sl6 h3{font-size:23px;margin:0 0 16px}\n.dcs-sl6 p{margin:0 0 16px}.dcs-sl6 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-sl6 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-sl6 .sl6-feature,.dcs-sl6 .sl6-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-sl6 .sl6-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-sl6 .sl6-intro h2,.dcs-sl6 .sl6-intro p{color:#fff!important}\n.dcs-sl6 .sl6-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-sl6 .sl6-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-sl6 ul{padding-left:22px;margin:0 0 16px}.dcs-sl6 li{margin-bottom:8px}\n.dcs-sl6 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-sl6 th,.dcs-sl6 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-sl6 th{background:#f3f5f7;color:#091725}.dcs-sl6 th[scope=row]{width:42%}\n.dcs-sl6 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-sl6 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-sl6 details p{margin:12px 0 0}\n.dcs-sl6 .sl6-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-sl6 .sl6-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-sl6 .sl6-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-sl6 .sl6-links a:last-child{background:#f0f3f6}.dcs-sl6 a:focus-visible,.dcs-sl6 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-sl6 .sl6-intro,.dcs-sl6 .sl6-panel{padding:18px}.dcs-sl6 th,.dcs-sl6 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-sl6\"\u003e\n\u003cdiv class=\"sl6-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"sl6-label\"\u003eStellaLyra · 6-inch f\/8 Dobsonian\u003c\/p\u003e\n\u003ch2\u003eYour next clear night deserves a closer look.\u003c\/h2\u003e\n\u003cp\u003eExplore the Moon’s crater rims, follow Jupiter’s moons and discover Saturn’s rings with a telescope built around the pleasure of looking.\u003c\/p\u003e\n\u003cp\u003eThe StellaLyra 6-inch pairs a 152mm parabolic mirror with a manual Dobsonian base, precise focusing and three eyepieces. A complete visual observing setup with room to develop your skills.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f8-planetary-dobsonian.jpg?v=1789722189\" alt=\"StellaLyra 6-inch f\/8 Dobsonian telescope and base\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl6-panel\"\u003e\n\u003ch3\u003eWhy choose this telescope?\u003c\/h3\u003e\n\u003cp\u003eYou want to spend your evenings at the eyepiece: learning the sky, finding familiar targets and returning to them as the view changes. This is a good fit for observers who enjoy pointing the telescope themselves and want useful accessories from the outset.\u003c\/p\u003e\n\u003cp\u003eStart wide to find your target, increase the magnification when conditions allow, then take your time. Careful observing often reveals more than another increase in power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-inch-detail-2.jpg?v=1789756272\" alt=\"StellaLyra 10:1 dual-speed Crayford focuser\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFind the point where detail comes into focus.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch Crayford focuser has a 10:1 fine adjustment. Use the main knob to get close, then the smaller control to make subtle changes without overshooting.\u003c\/p\u003e\n\u003cp\u003eThat matters when you are trying to settle the edge of a lunar crater or a planet’s disc into focus. The supplied adapter accepts the smaller 1.25-inch eyepieces too.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-inch-detail-1.jpg?v=1789756259\" alt=\"Right-angle finder and focuser on the StellaLyra 6-inch Dobsonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA more comfortable way to find your target.\u003c\/h3\u003e\n\u003cp\u003eThe current model includes a 6×30 right-angle, correct-image finder. Look down into the finder to aim the telescope, then move to the main eyepiece for the detailed view.\u003c\/p\u003e\n\u003cp\u003eAlign the finder with the telescope in daylight using a distant terrestrial object, safely away from the Sun. This small first step makes finding objects after dark much easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-inch-detail-3.jpg?v=1789756284\" alt=\"Altitude tension bearing and tube handle\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003ePoint it. Settle in. Follow the view.\u003c\/h3\u003e\n\u003cp\u003eAdjustable altitude tension and tube balance help accommodate changes in eyepiece weight; roller bearings support the base’s left-to-right motion.\u003c\/p\u003e\n\u003cp\u003eThere is no handset to learn. Move the tube towards your target and make small nudges to keep it centred. Higher magnification calls for more frequent adjustments, so begin at low power while you get used to the movement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-inch-detail-4.jpg?v=1789756296\" alt=\"Included 30mm, 15mm and 9mm eyepieces in the accessory tray\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eThree eyepieces. A useful first observing kit.\u003c\/h3\u003e\n\u003cp\u003eThe included eyepieces give you three distinct starting points. You can explore the telescope’s capabilities before deciding which extra accessories suit your interests.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePower\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eStart here\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30mm 2-inch SuperView\u003c\/td\u003e\n\u003ctd\u003e40×\u003c\/td\u003e\n\u003ctd\u003eFinding targets and wider views\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e80×\u003c\/td\u003e\n\u003ctd\u003eA closer look at lunar features\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e133×\u003c\/td\u003e\n\u003ctd\u003ePlanets and smaller details\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMagnifications are calculated from the 1200mm focal length. Use the view as your guide: if more power makes the image softer, step back down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat will you see?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e explore changing shadows near the boundary between lunar day and night. Return on a different evening and the same landscape takes on a new appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets:\u003c\/strong\u003e look for Jupiter’s brighter moons and Saturn’s rings when those planets are well placed. Detail depends on atmospheric steadiness, focus and the telescope reaching outdoor temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeyond the Solar System:\u003c\/strong\u003e try bright star clusters and nebulae. A darker observing site makes a substantial difference; faint objects usually appear as subtle grey shapes rather than the colours seen in processed photographs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"sl6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-inch-detail-5.jpg?v=1789756308\" alt=\"Rear mirror cell and collimation adjustment screws\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA telescope you can learn to look after.\u003c\/h3\u003e\n\u003cp\u003eThe rear mirror cell provides collimation adjustments. Collimation means aligning the mirrors so the telescope can deliver its best view; checking it is a normal part of owning a Newtonian reflector.\u003c\/p\u003e\n\u003cp\u003ePlan for a suitable collimation tool separately. Allow the telescope to cool outdoors before demanding high-power views, and keep its optics covered when stored.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl6-panel\"\u003e\n\u003ch3\u003eWhat is included?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptical tube and Dobsonian base, supplied flat-pack for assembly\u003c\/li\u003e\n\u003cli\u003e6×30 right-angle correct-image finder\u003c\/li\u003e\n\u003cli\u003e30mm SuperView, 15mm and 9mm Plössl eyepieces\u003c\/li\u003e\n\u003cli\u003e2-inch to 1.25-inch adapter and focus extension\u003c\/li\u003e\n\u003cli\u003eEyepiece storage tray\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo separate mount is required. An observing chair and red torch are useful additions for comfortable evenings outside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCheck the fit before you buy.\u003c\/h3\u003e\n\u003cp\u003eThis is a ground-standing telescope. Plan a clear route from storage to your observing spot and enough space to sit beside it. Move the tube and base separately, within your own lifting ability.\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eNewtonian reflector \/ manual Dobsonian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e152mm \/ 1200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003eNominal f\/8 (f\/7.9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ diameter\u003c\/th\u003e\n\u003ctd\u003e1100mm \/ 176mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube \/ base weight\u003c\/th\u003e\n\u003ctd\u003e9kg \/ 11.9kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eA few useful answers\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it suitable for a first telescope?\u003c\/summary\u003e\u003cp\u003eYes, if you are happy to find and follow objects manually and have room to store and move it. Start with the Moon and bright, easily identified targets before working towards fainter objects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I choose a 6-inch or 8-inch Dobsonian?\u003c\/summary\u003e\u003cp\u003eChoose the 6-inch if this package fits your budget and observing plans. An 8-inch gathers more light, which helps on faint targets, but has a wider tube. Compare storage space and handling as well as aperture; the best choice is one you will regularly take outside.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it track objects or take photographs?\u003c\/summary\u003e\u003cp\u003eThis mount has no motorised tracking or GoTo. It is intended primarily for visual observing; long-exposure deep-sky imaging needs a different setup. Ask us before choosing camera accessories.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I know before my first session?\u003c\/summary\u003e\u003cp\u003eAssemble the base, align the finder and check mirror alignment. Begin with the 30mm eyepiece. Never point this telescope or its finder at the Sun without appropriate, securely fitted front-mounted solar filtration.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"sl6-note\"\u003e\n\u003cstrong\u003eStock and delivery\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock. If you need the telescope by a particular date, contact Dark Clear Skies to confirm dispatch timing before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl6-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%206-inch%20Dobsonian\"\u003eAsk us which telescope fits\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665173758328,"sku":"stellalyra_6_f8_dob_v2","price":349.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f8-planetary-dobsonian.jpg?v=1789722189"},{"product_id":"stellalyra-10-f-5-dobsonian","title":"StellaLyra 10\" f\/5 Dobsonian","description":"\u003cstyle\u003e\n.dcs-sl10{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-sl10 *{box-sizing:border-box}.dcs-sl10 h2,.dcs-sl10 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-sl10 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-sl10 h3{font-size:23px;margin:0 0 16px}\n.dcs-sl10 p{margin:0 0 16px}.dcs-sl10 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-sl10 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-sl10 .sl10-feature,.dcs-sl10 .sl10-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-sl10 .sl10-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-sl10 .sl10-intro h2,.dcs-sl10 .sl10-intro p{color:#fff!important}\n.dcs-sl10 .sl10-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-sl10 .sl10-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-sl10 ul{padding-left:22px;margin:0 0 16px}.dcs-sl10 li{margin-bottom:8px}\n.dcs-sl10 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-sl10 th,.dcs-sl10 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-sl10 th{background:#f3f5f7;color:#091725}.dcs-sl10 th[scope=row]{width:42%}\n.dcs-sl10 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-sl10 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-sl10 details p{margin:12px 0 0}\n.dcs-sl10 .sl10-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-sl10 .sl10-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-sl10 .sl10-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-sl10 .sl10-links a:last-child{background:#f0f3f6}.dcs-sl10 a:focus-visible,.dcs-sl10 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-sl10 .sl10-intro,.dcs-sl10 .sl10-panel{padding:18px}.dcs-sl10 th,.dcs-sl10 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-sl10\"\u003e\n\u003cdiv class=\"sl10-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"sl10-label\"\u003eStellaLyra · 10-inch f\/5 Dobsonian\u003c\/p\u003e\n\u003ch2\u003eGo deeper into the sky you already love.\u003c\/h2\u003e\n\u003cp\u003eWhen you are ready to spend more time with star clusters, nebulae and faint galaxies, aperture becomes a compelling reason to move up. The StellaLyra 10-inch puts a 254mm parabolic mirror on a manual Dobsonian base, with the accessories to start observing straight away.\u003c\/p\u003e\n\u003cp\u003eChoose it for immersive visual astronomy, patient exploration and nights when a darker sky lets a larger telescope show its worth.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f5-dobsonian.jpg?v=1789723001\" alt=\"Complete StellaLyra 10-inch f\/5 Dobsonian telescope\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl10-panel\"\u003e\n\u003ch3\u003eIs the 10-inch the right step up?\u003c\/h3\u003e\n\u003cp\u003eThis is a substantial telescope for someone who can comfortably move and store it. Its appeal is the extra light available for observing, with a familiar solid-tube setup and direct, hands-on control.\u003c\/p\u003e\n\u003cp\u003eBefore choosing it over a smaller Dobsonian, think about your normal evening: where it lives, how far you carry it and whether you can take it to darker skies. The telescope you use often will reward you more than one that is difficult to get outside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-inch-feature-3.jpg?v=1789757343\" alt=\"Front view of the StellaLyra 10-inch mirror and secondary spider\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eGive familiar targets another look.\u003c\/h3\u003e\n\u003cp\u003eA larger aperture is a reason to revisit objects, rather than simply race through a longer target list. Spend time at a cluster’s edges, compare the brighter and fainter regions of a nebula, or look for a galaxy’s outline against the background sky.\u003c\/p\u003e\n\u003cp\u003eThe result depends on sky brightness, transparency and experience. Dark adaptation and shielding your eyes from nearby lights help; long-exposure photographs remain very different from what you see directly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-inch-feature-4.jpg?v=1789757356\" alt=\"StellaLyra 10:1 dual-speed Crayford focuser\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eSmall focus adjustments, useful control.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch Crayford focuser provides a 10:1 fine control. Bring your target close to focus, then make smaller adjustments until the detail settles.\u003c\/p\u003e\n\u003cp\u003eAt higher power, give yourself time to distinguish poor focus from unsteady air. Use a crisp lunar edge or a star near your target as a reference, and avoid chasing every brief shimmer with the focus knob.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-inch-feature-2.jpg?v=1789757331\" alt=\"StellaLyra 10-inch tube with right-angle finder\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFind the field, then explore it.\u003c\/h3\u003e\n\u003cp\u003eAn 8×50 right-angle, correct-image finder helps you aim the main telescope. Its upright view is useful when moving between recognisable star patterns on a chart.\u003c\/p\u003e\n\u003cp\u003eAlign the finder before observing, then begin with the lowest-power eyepiece. Once your target is centred, change eyepieces to explore the view in more detail. This is a skill you can build gradually, starting with bright, easily identified objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-inch-feature-1.jpg?v=1789757318\" alt=\"StellaLyra 10-inch altitude bearing and tube handle\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eSet the movement to suit your eyepiece.\u003c\/h3\u003e\n\u003cp\u003eAdjustable altitude tension and tube balance help you accommodate changes in accessories. The base rotates horizontally while the tube moves up and down.\u003c\/p\u003e\n\u003cp\u003eFollow your target with gentle nudges. There is no motorised tracking or GoTo, so practise at low power before moving to closer views, where objects drift across the field more quickly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-inch-feature-5.jpg?v=1789757369\" alt=\"StellaLyra 10-inch rear mirror cell and cooling fan\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003ePrepare the optics for a good night.\u003c\/h3\u003e\n\u003cp\u003eThe rear cooling fan helps the primary mirror approach outdoor temperature. A battery holder is included; batteries are separate.\u003c\/p\u003e\n\u003cp\u003eSet up ahead of your planned high-power observing. A mirror that is still cooling can soften the view, even when focus and alignment are correct.\u003c\/p\u003e\n\u003cp\u003eThe rear knobs adjust mirror alignment, known as collimation. Plan for a suitable collimation tool and learn to check alignment, particularly after transporting the telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eThree eyepieces to get you started.\u003c\/h3\u003e\n\u003cp\u003eThe included set gives you a practical progression from locating an object to inspecting it more closely. Start with these before deciding where an extra eyepiece would improve your own observing.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePower\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSuggested use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30mm 2-inch SuperView\u003c\/td\u003e\n\u003ctd\u003e42×\u003c\/td\u003e\n\u003ctd\u003eFinding targets and wider fields\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e83×\u003c\/td\u003e\n\u003ctd\u003eClusters and lunar exploration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e139×\u003c\/td\u003e\n\u003ctd\u003ePlanets and smaller details\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMagnifications are rounded from the 1250mm focal length. If more power gives you a larger but softer image, return to the lower-power eyepiece.\u003c\/p\u003e\n\u003cdiv class=\"sl10-panel\"\u003e\n\u003ch3\u003eYour observing package\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptical tube and flat-pack Dobsonian base\u003c\/li\u003e\n\u003cli\u003e8×50 right-angle correct-image finder\u003c\/li\u003e\n\u003cli\u003e30mm, 15mm and 9mm eyepieces\u003c\/li\u003e\n\u003cli\u003e2-inch to 1.25-inch adapter and 35mm focus extension\u003c\/li\u003e\n\u003cli\u003eCooling fan and battery holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA separate mount is not required. A collimation tool, observing chair and red torch are useful additions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMeasure the route from storage to sky.\u003c\/h3\u003e\n\u003cp\u003eThe optical tube alone weighs 15.5kg and is wide enough to deserve careful planning around doors, stairs and car space. Carry the tube and base separately, within your own lifting ability. Avoid treating the assembled telescope as a single lift.\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eNewtonian reflector \/ manual Dobsonian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e254mm \/ 1250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003ef\/4.92 (nominal f\/5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ diameter\u003c\/th\u003e\n\u003ctd\u003e1210mm \/ 305mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical tube weight\u003c\/th\u003e\n\u003ctd\u003e15.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBase height \/ diameter\u003c\/th\u003e\n\u003ctd\u003e640mm \/ 540mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eQuestions before choosing a larger Dobsonian\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWill the 10-inch make a good planetary telescope?\u003c\/summary\u003e\u003cp\u003eIt can serve both planetary and deep-sky interests. For fine planetary detail, careful alignment, thermal settling and steady air matter. Plan to observe when the planet is clear of nearby roofs and reasonably high in the sky.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs an 8-inch easier to live with?\u003c\/summary\u003e\u003cp\u003eIts smaller tube can be a better fit when storage, lifting or frequent travel are the deciding factors. Choose the 10-inch when the larger instrument is practical for you and you want to prioritise aperture. The extra size is a real part of the decision.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need more accessories immediately?\u003c\/summary\u003e\u003cp\u003eStart with the included eyepieces and learn the telescope. Check mirror alignment with a suitable tool, then let actual observing guide later purchases. Comfort and a clear plan for finding targets are often more useful at first than chasing extreme magnification.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it replace an astrophotography setup?\u003c\/summary\u003e\u003cp\u003eThis manual mount is intended for visual observing and does not track the sky for long-exposure deep-sky photography. Contact us before choosing it if imaging is your main aim.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"sl10-note\"\u003e\n\u003cstrong\u003eStock and delivery\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope by a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl10-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2010-inch%20Dobsonian\"\u003eAsk about the 10-inch\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665180049784,"sku":"stellalyra_10_f5_dob_v2","price":619.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f5-dobsonian.jpg?v=1789723001"},{"product_id":"stellalyra-12-f-5-dobsonian","title":"StellaLyra 12\" f\/5 Dobsonian","description":"\u003cstyle\u003e\n.dcs-sl12{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-sl12 *{box-sizing:border-box}.dcs-sl12 h2,.dcs-sl12 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-sl12 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-sl12 h3{font-size:23px;margin:0 0 16px}\n.dcs-sl12 p{margin:0 0 16px}.dcs-sl12 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-sl12 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-sl12 .sl12-feature,.dcs-sl12 .sl12-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-sl12 .sl12-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-sl12 .sl12-intro h2,.dcs-sl12 .sl12-intro p{color:#fff!important}\n.dcs-sl12 .sl12-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-sl12 .sl12-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-sl12 ul{padding-left:22px;margin:0 0 16px}.dcs-sl12 li{margin-bottom:8px}\n.dcs-sl12 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-sl12 th,.dcs-sl12 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-sl12 th{background:#f3f5f7;color:#091725}.dcs-sl12 th[scope=row]{width:42%}\n.dcs-sl12 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-sl12 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-sl12 details p{margin:12px 0 0}\n.dcs-sl12 .sl12-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-sl12 .sl12-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-sl12 .sl12-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-sl12 .sl12-links a:last-child{background:#f0f3f6}.dcs-sl12 a:focus-visible,.dcs-sl12 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-sl12 .sl12-intro,.dcs-sl12 .sl12-panel{padding:18px}.dcs-sl12 th,.dcs-sl12 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-sl12\"\u003e\n\u003cdiv class=\"sl12-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"sl12-label\"\u003eStellaLyra · 12-inch f\/5 Dobsonian\u003c\/p\u003e\n\u003ch2\u003eMake a dark night worth staying out for.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 12-inch is for observers ready to make a larger telescope part of their evenings. Its 304mm parabolic mirror brings substantial aperture to a complete manual observing package.\u003c\/p\u003e\n\u003cp\u003eExplore clusters, seek out fainter targets and return to familiar objects with renewed curiosity. Choose it with a clear plan for storage, handling and regular use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f5-dobsonian.jpg?v=1789723015\" alt=\"Complete StellaLyra 12-inch f\/5 Dobsonian telescope and base\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl12-panel\"\u003e\n\u003ch3\u003eWho is the 12-inch for?\u003c\/h3\u003e\n\u003cp\u003eYou enjoy visual astronomy, want to spend longer exploring deep-sky objects and can accommodate a large solid-tube instrument. A convenient observing spot near storage is a particularly useful advantage.\u003c\/p\u003e\n\u003cp\u003eIf every session involves stairs, narrow doorways or loading a small car, consider the handling carefully. Choose a size you can use frequently.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-inch-detail-1.jpg?v=1789758248\" alt=\"Front view of the StellaLyra 12-inch parabolic mirror and secondary spider\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA larger mirror invites a longer look.\u003c\/h3\u003e\n\u003cp\u003eExtra aperture gives you more light to work with on faint targets. Use it patiently: compare magnifications, let your eyes adapt and return to the same object over several nights.\u003c\/p\u003e\n\u003cp\u003eUnder darker skies, look for changes in a nebula’s outline or the distribution of stars around a cluster. Galaxies remain subtle visual targets; expect shapes and delicate detail rather than the colours of processed photographs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-inch-detail-3.jpg?v=1789758273\" alt=\"StellaLyra 12-inch right-angle finder and dual-speed focuser\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFind your target, then settle the focus.\u003c\/h3\u003e\n\u003cp\u003eThe 8×50 right-angle correct-image finder gives you an upright aiming view. At the main eyepiece, the 2-inch dual-speed Crayford focuser provides 10:1 fine adjustment.\u003c\/p\u003e\n\u003cp\u003eAlign the finder before observing. Focus on a nearby star or a crisp lunar feature, then let the view settle. Small, deliberate adjustments are more useful than constantly chasing atmospheric shimmer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-inch-detail-2.jpg?v=1789758262\" alt=\"StellaLyra 12-inch altitude tension bearing and tube handle\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eBalance the tube for controlled movement.\u003c\/h3\u003e\n\u003cp\u003eAdjustable altitude tension and tube balance help accommodate changes in eyepiece weight. The base turns horizontally while the tube tilts vertically.\u003c\/p\u003e\n\u003cp\u003eThere are no motors or GoTo: find and follow targets by hand. Practise gentle nudges at low power before moving to closer views. A comfortable observing position makes studying an object for longer much easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-inch-fan.jpg?v=1789758302\" alt=\"StellaLyra 12-inch primary mirror cell, collimation knobs and cooling fan\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eGood preparation makes the aperture count.\u003c\/h3\u003e\n\u003cp\u003eThe rear fan helps the mirror approach outdoor temperature. A battery holder is included; batteries are separate.\u003c\/p\u003e\n\u003cp\u003eSet up ahead of demanding planetary observing. Begin with lower-power views while the telescope settles, then increase magnification if the image remains clear.\u003c\/p\u003e\n\u003cp\u003eThe rear knobs adjust mirror alignment, known as collimation. Use a suitable tool to check alignment, particularly after transport. Learning this routine is part of getting the best from a Newtonian telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-inch-accessories.jpg?v=1789758313\" alt=\"Included 30mm, 15mm and 9mm eyepieces, focus extension and battery holder\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eThree eyepieces, three starting points.\u003c\/h3\u003e\n\u003cp\u003eBegin finding and observing with the supplied set before deciding how to extend your kit.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePower\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eTry it for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30mm 2-inch SuperView\u003c\/td\u003e\n\u003ctd\u003e51×\u003c\/td\u003e\n\u003ctd\u003eFinding targets and wider views\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e101×\u003c\/td\u003e\n\u003ctd\u003eClusters and lunar detail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e169×\u003c\/td\u003e\n\u003ctd\u003eSmaller targets in steady air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003ePowers are rounded from the 1520mm focal length. Step back down if the image becomes larger but softer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan the evening around the sky.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark and transparent:\u003c\/strong\u003e try fainter objects, allow time for dark adaptation and shield your eyes from nearby lighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteady but moonlit:\u003c\/strong\u003e explore lunar shadows or a well-placed planet. A bright Moon need not mean an unproductive evening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChangeable conditions:\u003c\/strong\u003e return to bright clusters and familiar targets. Brief notes help you recognise which conditions suit each observation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"sl12-panel\"\u003e\n\u003ch3\u003eIncluded with your telescope\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptical tube and flat-pack Dobsonian base\u003c\/li\u003e\n\u003cli\u003e8×50 right-angle correct-image finder\u003c\/li\u003e\n\u003cli\u003e30mm, 15mm and 9mm eyepieces\u003c\/li\u003e\n\u003cli\u003e2-inch to 1.25-inch adapter and 35mm focus extension\u003c\/li\u003e\n\u003cli\u003eMirror cooling fan and battery holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo separate mount is required. Plan for fan batteries and a collimation tool; an observing chair and red torch are useful additions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCheck the size before choosing the aperture.\u003c\/h3\u003e\n\u003cp\u003eThe tube is 1.45m long and weighs 19.5kg by itself. Plan how each main component will move from storage to your observing position, and whether you need assistance. Measure vehicle space rather than judging scale from a photograph.\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eNewtonian reflector \/ manual Dobsonian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e304mm \/ 1520mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003ef\/5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ diameter\u003c\/th\u003e\n\u003ctd\u003e1450mm \/ 356mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical tube weight\u003c\/th\u003e\n\u003ctd\u003e19.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBase height \/ diameter\u003c\/th\u003e\n\u003ctd\u003e640mm \/ 635mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore you decide\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I choose this or the 10-inch?\u003c\/summary\u003e\u003cp\u003eThe 12-inch puts more emphasis on aperture, with a longer, wider and heavier tube. The 10-inch may better suit frequent transport. Decide how you will move and use the telescope before choosing between them.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan a beginner use it?\u003c\/summary\u003e\u003cp\u003eYes, with time to learn pointing and mirror alignment, but its physical size makes it a considered first purchase. Speak to us if you are unsure about handling or storage.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes a larger telescope overcome light pollution?\u003c\/summary\u003e\u003cp\u003eIt does not remove skyglow. Darker surroundings remain valuable for faint galaxies and nebulae. From a bright garden, choose targets that suit the conditions and shield your eyes from direct lighting.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it suitable for deep-sky photography?\u003c\/summary\u003e\u003cp\u003eThis setup is primarily for visual observing. The manual base does not track the sky for long exposures. Contact us if imaging is your main goal so we can help you choose a suitable system.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"sl12-note\"\u003e\n\u003cstrong\u003eStock and delivery\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope by a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl12-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2012-inch%20Dobsonian\"\u003eAsk about the 12-inch\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665181000056,"sku":"stellalyra_12_f5_dob_v2","price":879.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f5-dobsonian.jpg?v=1789723015"},{"product_id":"stellalyra-16-f-4-5-dobsonian","title":"StellaLyra 16\" f\/4.5 Dobsonian","description":"\u003cstyle\u003e\n.dcs-sl16{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-sl16 *{box-sizing:border-box}.dcs-sl16 h2,.dcs-sl16 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-sl16 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-sl16 h3{font-size:23px;margin:0 0 16px}\n.dcs-sl16 p{margin:0 0 16px}.dcs-sl16 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-sl16 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-sl16 .sl16-feature,.dcs-sl16 .sl16-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-sl16 .sl16-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-sl16 .sl16-intro h2,.dcs-sl16 .sl16-intro p{color:#fff!important}\n.dcs-sl16 .sl16-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-sl16 .sl16-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-sl16 ul{padding-left:22px;margin:0 0 16px}.dcs-sl16 li{margin-bottom:8px}\n.dcs-sl16 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-sl16 th,.dcs-sl16 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-sl16 th{background:#f3f5f7;color:#091725}.dcs-sl16 th[scope=row]{width:42%}\n.dcs-sl16 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-sl16 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-sl16 details p{margin:12px 0 0}\n.dcs-sl16 .sl16-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-sl16 .sl16-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-sl16 .sl16-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-sl16 .sl16-links a:last-child{background:#f0f3f6}.dcs-sl16 a:focus-visible,.dcs-sl16 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-sl16 .sl16-intro,.dcs-sl16 .sl16-panel{padding:18px}.dcs-sl16 th,.dcs-sl16 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-sl16\"\u003e\n\u003cdiv class=\"sl16-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"sl16-label\"\u003eStellaLyra · 16-inch f\/4.5 Truss Dobsonian\u003c\/p\u003e\n\u003ch2\u003eA telescope for nights built around observing.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 16-inch brings a 406mm parabolic mirror to a dismantlable carbon-fibre truss structure. It is a substantial aperture upgrade for experienced visual observers who want to explore faint objects and spend longer studying the details.\u003c\/p\u003e\n\u003cp\u003eChoose it when you can plan the transport, assembly and observing space that a large telescope deserves.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-f45-dobsonian.jpg?v=1789723026\" alt=\"Complete StellaLyra 16-inch carbon-fibre truss Dobsonian telescope\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl16-panel\"\u003e\n\u003ch3\u003eWho should choose the 16-inch?\u003c\/h3\u003e\n\u003cp\u003eYou already enjoy finding objects, understand mirror alignment and want a telescope around which to plan dedicated observing sessions. Access to a dark site makes the investment in aperture especially worthwhile.\u003c\/p\u003e\n\u003cp\u003eThis is a considered step into larger equipment. Confirm the handling arrangements, storage route and comfortable eyepiece access before ordering; a truss structure breaks down for transport, but the individual components still need careful handling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl16-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-inch-detail-1.jpg?v=1789758995\" alt=\"Carbon-fibre truss poles and lower mirror box of the StellaLyra 16-inch Dobsonian\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eLarge aperture in a structure that comes apart.\u003c\/h3\u003e\n\u003cp\u003eSix carbon-fibre poles connect the lower mirror box to the upper secondary cage. The separate components make packing more flexible than a single full-length tube.\u003c\/p\u003e\n\u003cp\u003eBuild an assembly routine in daylight before your first observing trip. Allow a clean, level working area, keep the optics covered while practical and check alignment once assembled. Measure your vehicle and storage space rather than assuming every component will fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl16-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-inch-detail-3.jpg?v=1789759028\" alt=\"View through the StellaLyra 16-inch truss structure towards the primary mirror\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eGive faint objects the time they deserve.\u003c\/h3\u003e\n\u003cp\u003eA larger mirror gives you more light to work with. Let that encourage slower observing: revisit a galaxy’s shape, compare different magnifications on a cluster and look for subtle changes in a nebula’s brightness.\u003c\/p\u003e\n\u003cp\u003eSky darkness and transparency still matter. Shield your eyes from nearby lighting, allow dark adaptation and expect delicate visual detail rather than the colours of a long-exposure photograph. Recording a few observations helps you notice how much the view changes between nights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl16-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-inch-detail-2.jpg?v=1789759011\" alt=\"StellaLyra 16-inch upper cage with right-angle finder and dual-speed focuser\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFind the field. Refine the view.\u003c\/h3\u003e\n\u003cp\u003eThe 8×50 right-angle correct-image finder supplies an upright aiming view. The 2-inch Crayford focuser provides 10:1 fine adjustment and accepts 1.25-inch eyepieces through the included adapter.\u003c\/p\u003e\n\u003cp\u003eAlign the finder before the session, then centre your target at low power. At higher magnifications, focus deliberately and wait for the air to steady. Constant adjustment cannot remove atmospheric shimmer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl16-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-inch-detail-4.jpg?v=1789759045\" alt=\"StellaLyra 16-inch adjustable altitude bearing and balance scale\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eMovement you control by hand.\u003c\/h3\u003e\n\u003cp\u003eAdjustable altitude tension and balance let you tune the movement to your eyepiece setup. The base rotates horizontally while the telescope tilts vertically.\u003c\/p\u003e\n\u003cp\u003eThis is manual observing, with no GoTo or motorised tracking. Practise gentle nudges at low power; close-up views need more frequent corrections. A stable, comfortable stance is particularly valuable when following an object for a long look.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl16-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-inch-detail-5.jpg?v=1789759064\" alt=\"StellaLyra 16-inch rear mirror cell, collimation controls and cooling fan\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003ePrepare the mirror before judging the detail.\u003c\/h3\u003e\n\u003cp\u003eThe rear cooling fan helps the primary mirror approach outdoor temperature. A battery holder is included; batteries are separate.\u003c\/p\u003e\n\u003cp\u003eSet up ahead of your planned high-power work and check collimation after assembly. Collimation is the alignment of the mirrors, and a suitable tool is an essential part of your setup routine. Begin with wider views while the telescope settles, then increase power when conditions support it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTwo supplied eyepieces with different roles.\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePower\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eStarting point\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30mm 2-inch SuperView\u003c\/td\u003e\n\u003ctd\u003e61×\u003c\/td\u003e\n\u003ctd\u003eFinding targets and wider views\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9mm 1.25-inch Plössl\u003c\/td\u003e\n\u003ctd\u003e203×\u003c\/td\u003e\n\u003ctd\u003eSmaller detail in steady conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMagnifications are rounded from the 1829mm focal length. The gap between these views makes an intermediate eyepiece a useful later consideration. Choose it around your preferred targets rather than buying solely for the highest possible power.\u003c\/p\u003e\n\u003cdiv class=\"sl16-panel\"\u003e\n\u003ch3\u003eIncluded in the package\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrimary mirror box, secondary cage and six carbon-fibre truss poles\u003c\/li\u003e\n\u003cli\u003eDobsonian base, supplied flat-pack\u003c\/li\u003e\n\u003cli\u003e8×50 right-angle correct-image finder\u003c\/li\u003e\n\u003cli\u003e30mm SuperView and 9mm Plössl eyepieces\u003c\/li\u003e\n\u003cli\u003e2-inch to 1.25-inch adapter and 35mm focus extension\u003c\/li\u003e\n\u003cli\u003eCooling fan and battery holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo separate telescope mount is required. Plan for a collimation tool, fan batteries and appropriate observing access. Ask us to check compatibility before choosing additional accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCore specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eTruss Newtonian \/ manual Dobsonian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture\u003c\/th\u003e\n\u003ctd\u003e406mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1829mm \/ f\/4.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStructure\u003c\/th\u003e\n\u003ctd\u003eMirror box, six carbon-fibre poles and upper cage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003ePlan delivery and handling.\u003c\/h3\u003e\n\u003cp\u003eThe published packed sizes are useful for planning delivery space. They are shipping measurements, not the dimensions or weights of the unpacked components. Contact us to confirm component weights and assembled eyepiece height if either will determine whether this telescope is suitable for you.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003ePackage\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePacked size\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eShipping weight\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary mirror box\u003c\/td\u003e\n\u003ctd\u003e64 × 64 × 78cm\u003c\/td\u003e\n\u003ctd\u003e35kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary cage\u003c\/td\u003e\n\u003ctd\u003e68 × 61 × 31cm\u003c\/td\u003e\n\u003ctd\u003e10kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003e93 × 93 × 20cm\u003c\/td\u003e\n\u003ctd\u003e22kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBefore moving to a 16-inch\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it a suitable first telescope?\u003c\/summary\u003e\u003cp\u003eIt is best suited to someone already comfortable with visual astronomy and mirror alignment. Handling and assembly are significant parts of ownership. If you are starting out, discuss your observing plans with us before choosing this size.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill it replace a deep-sky imaging setup?\u003c\/summary\u003e\u003cp\u003eNo. This manual Dobsonian is primarily a visual instrument and does not track the sky for long exposures. Choose a system designed around tracking and camera compatibility if photography is your main aim.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use it from a light-polluted garden?\u003c\/summary\u003e\u003cp\u003eBright targets remain worthwhile, but aperture does not remove skyglow. Faint-object observing benefits greatly from darker surroundings. Consider whether your normal observing site will make good use of this telescope.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"sl16-note\"\u003e\n\u003cstrong\u003eStock and delivery\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing and discuss delivery arrangements before planning around a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl16-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2016-inch%20Dobsonian\"\u003eDiscuss the 16-inch with DCS\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665182835064,"sku":"stellalyra_16_f4.5_dob","price":1899.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-f45-dobsonian.jpg?v=1789723026"},{"product_id":"stellalyra-4-5-f-4-m-lrn-d-carbon-fibre-imaging-newtonian-reflector-with-2-dual-speed-r-p-focuser","title":"StellaLyra 4.5\" f\/4 M-LRN-D Carbon Fibre Imaging Newtonian Reflector with 2\" Dual-Speed R\u0026P Focuser","description":"\u003cstyle\u003e\n.dcs-n45{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-n45 *{box-sizing:border-box}.dcs-n45 h2,.dcs-n45 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-n45 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-n45 h3{font-size:23px;margin:0 0 16px}\n.dcs-n45 p{margin:0 0 16px}.dcs-n45 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-n45 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-n45 .n45-feature,.dcs-n45 .n45-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-n45 .n45-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-n45 .n45-intro h2,.dcs-n45 .n45-intro p{color:#fff!important}\n.dcs-n45 .n45-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-n45 .n45-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-n45 ul{padding-left:22px;margin:0 0 16px}.dcs-n45 li{margin-bottom:8px}\n.dcs-n45 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-n45 th,.dcs-n45 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-n45 th{background:#f3f5f7;color:#091725}.dcs-n45 th[scope=row]{width:42%}\n.dcs-n45 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-n45 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-n45 details p{margin:12px 0 0}\n.dcs-n45 .n45-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-n45 .n45-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-n45 .n45-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-n45 .n45-links a:last-child{background:#f0f3f6}.dcs-n45 a:focus-visible,.dcs-n45 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-n45 .n45-intro,.dcs-n45 .n45-panel{padding:18px}.dcs-n45 th,.dcs-n45 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-n45\"\u003e\n\u003cdiv class=\"n45-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"n45-label\"\u003eStellaLyra · 4.5-inch f\/4 Imaging Newtonian\u003c\/p\u003e\n\u003ch2\u003eBuild a compact rig around a wider view.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra M-LRN-D combines a 114mm aperture and 456mm focal length in a carbon-fibre optical tube. It is a compact starting point for a dedicated deep-sky imaging system, with a dual-speed rack-and-pinion focuser and integrated tube rotation.\u003c\/p\u003e\n\u003cp\u003ePair it with a suitable tracking mount, camera and coma corrector to build a setup around the targets you want to photograph.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-f4-mlrnd-carbon-imaging-newtonian.jpg?v=1789723067\" alt=\"StellaLyra 4.5-inch f\/4 carbon-fibre imaging Newtonian optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-panel\"\u003e\n\u003ch3\u003eWhy choose this imaging Newtonian?\u003c\/h3\u003e\n\u003cp\u003eYou want a short-focal-length reflector and are happy to assemble and tune your own imaging system. Its appeal lies in a compact optical tube that leaves the choice of camera, mount and control equipment to you.\u003c\/p\u003e\n\u003cp\u003eThis is an optical tube assembly, not a complete telescope-and-camera package. Budget for the full setup and check the mechanical connections before buying individual accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-carbon-newtonian-detail-1.jpg?v=1789759508\" alt=\"StellaLyra 4.5-inch carbon-fibre imaging Newtonian side view\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eChoose your field before your first target.\u003c\/h3\u003e\n\u003cp\u003eWith the same camera, a shorter focal length captures a wider area of sky than a longer one. That can suit larger nebulae, clusters and star fields, depending on your sensor.\u003c\/p\u003e\n\u003cp\u003eStart by checking how a few favourite targets fit your proposed camera and this focal length. A smaller sensor crops the field; a larger one also places greater demands on correction and illumination. Neither the focal ratio nor the focuser diameter guarantees full-frame coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-carbon-newtonian-detail-2.jpg?v=1789759522\" alt=\"Front of the StellaLyra 4.5-inch Newtonian and Vixen-style dovetail\" width=\"600\" height=\"480\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA compact tube, with mounting included.\u003c\/h3\u003e\n\u003cp\u003eThe carbon-fibre tube includes an integrated rotation assembly and a full-length Vixen-style dovetail. The published telescope weight is 2.8kg.\u003c\/p\u003e\n\u003cp\u003eChoose the mount around the complete working load: telescope, camera, corrector, guiding equipment and cables. Leave practical headroom for tracking performance, and balance the finished system rather than the empty optical tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-carbon-newtonian-detail-4.jpg?v=1789759552\" alt=\"StellaLyra 2-inch dual-speed rack-and-pinion focuser\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine control where the camera meets the telescope.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch dual-speed rack-and-pinion focuser gives you coarse and fine adjustment for finding focus.\u003c\/p\u003e\n\u003cp\u003eMake focus part of a repeatable routine: use short test exposures, examine star size and recheck after the setup has settled. Support cables so their weight does not pull on the camera as the mount moves across the sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-carbon-newtonian-detail-5.jpg?v=1789759565\" alt=\"Underside of the rack-and-pinion focuser showing the toothed rack\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003ePlan the complete camera connection.\u003c\/h3\u003e\n\u003cp\u003eFor imaging, include a compatible coma corrector to control star distortion away from the centre. Its required sensor spacing and the telescope’s ability to reach focus are separate checks.\u003c\/p\u003e\n\u003cp\u003eAdd up the camera connection, adapters and any filter hardware before ordering. An accessory fitting into a 2-inch opening does not establish that the whole combination will focus or give the intended correction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-note\"\u003e\n\u003cstrong\u003eJune 2026 tube revision\u003c\/strong\u003e\u003cp\u003eThe supplier introduced a shorter-tube version to broaden coma-corrector compatibility. Ask us to confirm the supplied revision and your camera\/corrector combination before choosing adapters. Earlier published focus distances should not be treated as universal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-carbon-newtonian-detail-3.jpg?v=1789759538\" alt=\"Rear of the StellaLyra carbon-fibre tube and mounting assembly\" width=\"600\" height=\"576\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eMake alignment part of the setup.\u003c\/h3\u003e\n\u003cp\u003eCollimation aligns the two mirrors. Check it with a suitable tool before evaluating image quality, especially after transporting the telescope.\u003c\/p\u003e\n\u003cp\u003eOnce focused, inspect stars across a short test exposure. If the corners differ, check alignment, camera tilt and corrector spacing methodically. Change one thing at a time so you can see whether it improves the result.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat is included—and what completes the system?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIncluded\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePlan separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-fibre optical tube\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch dual-speed R\u0026amp;P focuser\u003c\/td\u003e\n\u003ctd\u003eImaging camera and compatible coma corrector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube mounting\/rotation assembly\u003c\/td\u003e\n\u003ctd\u003eCamera adapters and required spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVixen-style dovetail\u003c\/td\u003e\n\u003ctd\u003eCollimation tool, power and control equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eGuiding equipment may be needed for your chosen exposures and mount. Eyepieces are not included; discuss visual-use requirements separately if that is also part of your plan.\u003c\/p\u003e\n\u003ch3\u003eCore specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture\u003c\/th\u003e\n\u003ctd\u003e114mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e456mm \/ f\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube material\u003c\/th\u003e\n\u003ctd\u003eCarbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed rack-and-pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMount connection\u003c\/th\u003e\n\u003ctd\u003eVixen-style dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished telescope weight\u003c\/th\u003e\n\u003ctd\u003e2.8kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore you build the rig\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an automatic or smart telescope?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical tube for a separately assembled system. Tracking, image capture and control depend on the mount, camera and software you choose.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use my existing camera?\u003c\/summary\u003e\u003cp\u003ePossibly, but confirm the camera model, corrector and available focus travel together. Send us those details, including any filter drawer or wheel, so we can help check the proposed connection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes f\/4 mean tracking is unimportant?\u003c\/summary\u003e\u003cp\u003eNo. Tracking errors, vibration and poor alignment can still spoil an exposure. A shorter focal length can make the system more forgiving than a long-focal-length rig with the same camera, but careful setup remains worthwhile.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I test on the first night?\u003c\/summary\u003e\u003cp\u003eBegin with reliable focus, stable tracking and a short star-field exposure. Check the centre and corners before committing to a long sequence. Once the system is behaving consistently, build your imaging session around a well-framed target.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"n45-note\"\u003e\n\u003cstrong\u003eStock and delivery\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope by a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n45-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%204.5-inch%20imaging%20setup\"\u003eCheck my camera setup\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665186275704,"sku":null,"price":299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-f4-mlrnd-carbon-imaging-newtonian.jpg?v=1789723067"},{"product_id":"stellalyra-6-f-4-m-lrn-d-carbon-fibre-imaging-newtonian-reflector-with-2-dual-speed-r-p-focuser","title":"StellaLyra 6\" f\/4 M-LRN-D Carbon Fibre Imaging Newtonian Reflector with 2\" Dual-Speed R\u0026P Focuser","description":"\u003cstyle\u003e\n.dcs-n6{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-n6 *{box-sizing:border-box}.dcs-n6 h2,.dcs-n6 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-n6 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-n6 h3{font-size:23px;margin:0 0 16px}\n.dcs-n6 p{margin:0 0 16px}.dcs-n6 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-n6 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-n6 .n6-feature,.dcs-n6 .n6-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-n6 .n6-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-n6 .n6-intro h2,.dcs-n6 .n6-intro p{color:#fff!important}\n.dcs-n6 .n6-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-n6 .n6-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-n6 ul{padding-left:22px;margin:0 0 16px}.dcs-n6 li{margin-bottom:8px}\n.dcs-n6 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-n6 th,.dcs-n6 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-n6 th{background:#f3f5f7;color:#091725}.dcs-n6 th[scope=row]{width:42%}\n.dcs-n6 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-n6 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-n6 details p{margin:12px 0 0}\n.dcs-n6 .n6-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-n6 .n6-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-n6 .n6-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-n6 .n6-links a:last-child{background:#f0f3f6}.dcs-n6 a:focus-visible,.dcs-n6 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-n6 .n6-intro,.dcs-n6 .n6-panel{padding:18px}.dcs-n6 th,.dcs-n6 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-n6\"\u003e\n\u003cdiv class=\"n6-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"n6-label\"\u003eStellaLyra · 6-inch f\/4 Carbon Imaging Newtonian\u003c\/p\u003e\n\u003ch2\u003eBuild your next imaging system around 600mm.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 6-inch M-LRN-D pairs a 150mm parabolic mirror with a 600mm focal length in a carbon-fibre tube. A dual-speed rack-and-pinion focuser and substantial mounting hardware provide the starting point for a dedicated deep-sky camera setup.\u003c\/p\u003e\n\u003cp\u003eChoose it when you want to assemble and tune your own imaging rig, with the camera and mount selected around the targets you enjoy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f4-mlrnd-carbon-imaging-newtonian.jpg?v=1789723113\" alt=\"StellaLyra 6-inch f\/4 carbon-fibre imaging Newtonian optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6-panel\"\u003e\n\u003ch3\u003eWhy choose this model?\u003c\/h3\u003e\n\u003cp\u003eA 600mm focal length offers a useful starting point for framing nebulae, clusters and other deep-sky targets with an appropriate camera. It gives a closer view than the 456mm model with the same sensor, while retaining a relatively short optical tube.\u003c\/p\u003e\n\u003cp\u003eThis is an optical tube assembly. It suits an imager who is comfortable planning the camera connection, checking mirror alignment and testing the finished system before committing to a long sequence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-carbon-newtonian-detail-3.jpg?v=1789762199\" alt=\"Front view of the StellaLyra 6-inch carbon-fibre imaging Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eLet your camera decide the framing.\u003c\/h3\u003e\n\u003cp\u003eStart with a few targets and check their field of view using your actual sensor dimensions. An object that fits comfortably on one camera may require a mosaic on another.\u003c\/p\u003e\n\u003cp\u003eDo not choose purely by aperture or assume that a larger sensor is automatically a better match. The final image also depends on optical correction, illumination, tracking and the way you process the data. Check those requirements together when planning the rig.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-carbon-newtonian-detail-1.jpg?v=1789762173\" alt=\"StellaLyra 6-inch carbon-fibre Newtonian with tube rings and upper and lower dovetails\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eCheck the saddle before choosing the mount.\u003c\/h3\u003e\n\u003cp\u003eThis version includes a lower Losmandy-style mounting dovetail and an upper Vixen-style rail. Confirm that your mount saddle accepts the lower rail.\u003c\/p\u003e\n\u003cp\u003eThe published tube weight is 5.3kg. Add the camera, corrector, guiding equipment, filter hardware and cables when calculating the working load. Leave practical headroom for imaging performance and balance the complete system on both mount axes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFine focusing is part of a repeatable routine.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch dual-speed rack-and-pinion focuser provides coarse and fine control. Use short exposures to assess focus, then recheck after the equipment settles and as conditions change.\u003c\/p\u003e\n\u003cp\u003eRoute cables with enough freedom for the mount to move, while avoiding a pull on the camera. Carbon fibre does not remove the need to monitor focus through the night.\u003c\/p\u003e\n\u003cdiv class=\"n6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-carbon-newtonian-detail-2.jpg?v=1789762187\" alt=\"StellaLyra 6-inch primary mirror cell and collimation adjustment screws\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eMake mirror alignment a normal setup step.\u003c\/h3\u003e\n\u003cp\u003eThe rear mirror cell provides collimation adjustments. Collimation aligns the mirrors so that the optical system can work as intended; check it with a suitable tool, especially after travel.\u003c\/p\u003e\n\u003cp\u003eOn the first night, inspect a short star-field exposure before starting a long run. Compare the centre and corners, then investigate alignment, focus, tilt and corrector spacing in a controlled order. Changing one thing at a time helps you identify the cause of an uneven field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6-panel\"\u003e\n\u003ch3\u003ePlan the corrector and camera as one assembly.\u003c\/h3\u003e\n\u003cp\u003eInclude a compatible coma corrector for deep-sky imaging. It helps control the distorted off-axis star shapes inherent in a fast Newtonian.\u003c\/p\u003e\n\u003cp\u003eTwo separate measurements matter: the corrector-to-sensor spacing and the telescope’s ability to bring the assembled camera system to focus. Account for camera adapters, a filter drawer or wheel and any other hardware. A 2-inch connection alone does not guarantee compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat is included?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIncluded with the optical tube\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eComplete the rig separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-fibre tube with fitted focuser\u003c\/td\u003e\n\u003ctd\u003eSuitable tracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube rings and mounting assembly\u003c\/td\u003e\n\u003ctd\u003eCamera and compatible coma corrector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLosmandy-style lower dovetail\u003c\/td\u003e\n\u003ctd\u003eAdapters and correct sensor spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVixen-style upper rail\u003c\/td\u003e\n\u003ctd\u003eCollimation tool, power and control equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eGuiding equipment depends on your mount and exposure plans. Eyepieces are not included.\u003c\/p\u003e\n\u003ch3\u003eSpecifications for planning your setup\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e150mm \/ 600mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003ef\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed rack-and-pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube material\u003c\/th\u003e\n\u003ctd\u003eCarbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength \/ diameter\u003c\/th\u003e\n\u003ctd\u003e530mm \/ 178mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e5.3kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003eLosmandy-style lower rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use a DSLR or an astronomy camera?\u003c\/summary\u003e\u003cp\u003eThis model is intended for deep-sky camera use, but check the particular camera, corrector and adapters together. Send us the camera model and any filter hardware so we can help assess the complete connection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it ready to image straight from the box?\u003c\/summary\u003e\u003cp\u003eNo. It is the optical tube and mounting hardware for a separately assembled system. You will need tracking, a camera, suitable correction and connections, power and control equipment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the upper Vixen rail replace the lower mounting rail?\u003c\/summary\u003e\u003cp\u003eThe specified mount connection is the lower Losmandy-style dovetail. Check accessory clamps and load arrangements separately; do not assume that every rail and saddle combination is interchangeable.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I test before a full imaging session?\u003c\/summary\u003e\u003cp\u003eConfirm focus, balance and reliable tracking, then inspect stars across a short exposure. Once the setup is consistent, choose a well-framed target and begin collecting data. Keep notes on spacing and focus settings so the result is repeatable.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"n6-note\"\u003e\n\u003cstrong\u003eStock and delivery\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope by a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%206-inch%20carbon%20imaging%20setup\"\u003eCheck my imaging setup\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665186963832,"sku":null,"price":699.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f4-mlrnd-carbon-imaging-newtonian.jpg?v=1789723113"},{"product_id":"stellalyra-8-f-4-m-lrn-d-carbon-fibre-imaging-newtonian-reflector-with-2-dual-speed-r-p-focuser","title":"StellaLyra 8\" f\/4 M-LRN-D Carbon Fibre Imaging Newtonian Reflector with 2\" Dual-Speed R\u0026P Focuser","description":"\u003cstyle\u003e\n.dcs-n8{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-n8 *{box-sizing:border-box}.dcs-n8 h2,.dcs-n8 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-n8 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-n8 h3{font-size:23px;margin:0 0 16px}\n.dcs-n8 p{margin:0 0 16px}.dcs-n8 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-n8 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-n8 .n8-feature,.dcs-n8 .n8-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-n8 .n8-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-n8 .n8-intro h2,.dcs-n8 .n8-intro p{color:#fff!important}\n.dcs-n8 .n8-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-n8 .n8-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-n8 ul{padding-left:22px;margin:0 0 16px}.dcs-n8 li{margin-bottom:8px}\n.dcs-n8 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-n8 th,.dcs-n8 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-n8 th{background:#f3f5f7;color:#091725}.dcs-n8 th[scope=row]{width:42%}\n.dcs-n8 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-n8 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-n8 details p{margin:12px 0 0}\n.dcs-n8 .n8-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-n8 .n8-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-n8 .n8-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-n8 .n8-links a:last-child{background:#f0f3f6}.dcs-n8 a:focus-visible,.dcs-n8 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-n8 .n8-intro,.dcs-n8 .n8-panel{padding:18px}.dcs-n8 th,.dcs-n8 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-n8\"\u003e\n\u003cdiv class=\"n8-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"n8-label\"\u003eStellaLyra · 8-inch f\/4 Carbon Imaging Newtonian\u003c\/p\u003e\n\u003ch2\u003eGive your next deep-sky project a closer frame.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 8-inch M-LRN-D combines a 203mm parabolic mirror with an 800mm focal length in a carbon-fibre tube. It is an imaging platform for someone ready to match their camera, mount and accessories to a larger Newtonian.\u003c\/p\u003e\n\u003cp\u003eBuild around it when you want a tighter field than a short-focal-length setup provides, with the control to tune the complete system yourself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f4-mlrnd-carbon-imaging-newtonian.jpg?v=1789723122\" alt=\"StellaLyra 8-inch f\/4 carbon-fibre imaging Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n8-panel\"\u003e\n\u003ch3\u003eWhy choose the 8-inch?\u003c\/h3\u003e\n\u003cp\u003eWith the same camera, moving from 600mm to 800mm gives a closer framing of your target. That can suit projects where a shorter telescope leaves the object small within a wide field.\u003c\/p\u003e\n\u003cp\u003eThe trade-off is a larger working system and greater demands on tracking. Choose this model because the focal length, handling and mount requirements suit your plans, rather than assuming more aperture is automatically the right next step.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-carbon-newtonian-detail-3.jpg?v=1789802321\" alt=\"Side view of the StellaLyra 8-inch tube showing focuser and mounting assembly\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA carbon-fibre tube built around imaging.\u003c\/h3\u003e\n\u003cp\u003eThe internally blackened, baffled tube carries a 2-inch dual-speed rack-and-pinion focuser. Its coarse and fine controls let you approach focus and then refine it using test exposures.\u003c\/p\u003e\n\u003cp\u003eKeep a repeatable focusing routine. Inspect star size after the telescope settles and recheck as conditions change. Carbon fibre does not remove every source of focus movement in the complete optical and mechanical system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-carbon-newtonian-detail-1.jpg?v=1789802296\" alt=\"StellaLyra 8-inch carbon-fibre Newtonian with mounting rings and dovetails\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eMount the complete rig, not just the tube.\u003c\/h3\u003e\n\u003cp\u003eThe lower rail is Losmandy-style, with a Vixen-style rail on top. Confirm the lower rail fits your mount saddle before ordering.\u003c\/p\u003e\n\u003cp\u003eThe published tube weight is 7.5kg. Add your camera, corrector, filters, guiding equipment and cabling when assessing the payload. Balance with the actual imaging train installed, and check that the side-mounted camera can clear the mount and tripod throughout the planned movement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan the camera and corrector together.\u003c\/h3\u003e\n\u003cp\u003eA compatible coma corrector is required for optimum imaging results. Set its sensor spacing to the corrector manufacturer’s requirement, then check that the assembled system can reach focus. These are separate measurements.\u003c\/p\u003e\n\u003cp\u003eList every component between the focuser and sensor, including adapters and filter hardware. Secure cables without letting them pull on the camera, and avoid assuming that any accessory with a 2-inch barrel will work in every combination.\u003c\/p\u003e\n\u003cdiv class=\"n8-panel\"\u003e\n\u003ch3\u003eIllumination and sharp stars are different questions.\u003c\/h3\u003e\n\u003cp\u003eThe supplier specifies an illuminated field of 25mm at 100% and 38mm at 90%. Those figures describe illumination, not a guarantee of corrected stars across every camera sensor.\u003c\/p\u003e\n\u003cp\u003eCheck your chosen corrector’s supported sensor size and connections separately. Use flat-field calibration to address uneven illumination and dust shadows; flats will not fix poor focus, tracking errors or misshapen stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-carbon-newtonian-detail-2.jpg?v=1789802310\" alt=\"Rear mirror cell and collimation controls on the StellaLyra 8-inch carbon Newtonian\" width=\"600\" height=\"576\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eCheck alignment before collecting a night’s data.\u003c\/h3\u003e\n\u003cp\u003eThe rear mirror-cell controls allow collimation adjustment. Use an appropriate tool to check mirror alignment, particularly after transporting the telescope.\u003c\/p\u003e\n\u003cp\u003eBegin a session with a short star-field exposure. Compare the centre and corners before committing to a long sequence. If something is uneven, work through focus, alignment, tilt and spacing methodically, changing one factor at a time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIncluded with the optical tube\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIncluded\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eRequired separately for imaging\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-fibre tube and fitted focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and stable tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube rings and lower Losmandy-style rail\u003c\/td\u003e\n\u003ctd\u003eCamera and compatible coma corrector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper Vixen-style rail\u003c\/td\u003e\n\u003ctd\u003eAdapters, spacing and any filter hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAlso plan for a collimation tool, power and control equipment, plus guiding as required by your mount and exposure plans. Eyepieces are not included.\u003c\/p\u003e\n\u003ch3\u003eSpecifications for planning the system\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e203mm \/ 800mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003eNominal f\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed rack-and-pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube material\u003c\/th\u003e\n\u003ctd\u003eCarbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength \/ diameter\u003c\/th\u003e\n\u003ctd\u003e730mm \/ 230mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e7.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMount connection\u003c\/th\u003e\n\u003ctd\u003eLosmandy-style lower rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore choosing the 8-inch\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I choose this or the 6-inch carbon model?\u003c\/summary\u003e\u003cp\u003eThe 8-inch gives a tighter field with the same camera, but asks more of the mount and is larger to transport. Compare target framing, your complete payload and available storage before choosing. A well-matched smaller system can be more useful than a larger one that strains the mount.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill my existing camera work?\u003c\/summary\u003e\u003cp\u003eCheck its sensor size, connection and focus requirements with the proposed corrector. Send us your camera model and any filter wheel or drawer so we can help assess the complete imaging train.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs an automatic focuser included?\u003c\/summary\u003e\u003cp\u003eNo. The fitted focuser has manual coarse and fine controls. Check the motor, bracket and coupling compatibility separately if you want to add autofocus.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include tracking or image capture?\u003c\/summary\u003e\u003cp\u003eNo. This is the optical tube and mounting hardware for a separately assembled imaging system. Tracking, capture and control depend on the mount, camera and software you select.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"n8-note\"\u003e\n\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003cp\u003eThis model is currently awaiting stock. Contact Dark Clear Skies for an availability update before planning an order around a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n8-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%208-inch%20carbon%20imaging%20setup\"\u003eCheck availability and compatibility\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665187062136,"sku":null,"price":899.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f4-mlrnd-carbon-imaging-newtonian.jpg?v=1789723122"},{"product_id":"stellalyra-6-f-4-m-lrn-newtonian-reflector-with-2-dual-speed-focuser","title":"StellaLyra 6\" f\/4 M-LRN Newtonian Reflector with 2\" Dual-Speed Focuser","description":"\u003cstyle\u003e\n.dcs-m6{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-m6 *{box-sizing:border-box}.dcs-m6 h2,.dcs-m6 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-m6 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-m6 h3{font-size:23px;margin:0 0 16px}\n.dcs-m6 p{margin:0 0 16px}.dcs-m6 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-m6 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-m6 .m6-feature,.dcs-m6 .m6-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-m6 .m6-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-m6 .m6-intro h2,.dcs-m6 .m6-intro p{color:#fff!important}\n.dcs-m6 .m6-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-m6 .m6-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-m6 ul{padding-left:22px;margin:0 0 16px}.dcs-m6 li{margin-bottom:8px}\n.dcs-m6 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-m6 th,.dcs-m6 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-m6 th{background:#f3f5f7;color:#091725}.dcs-m6 th[scope=row]{width:42%}\n.dcs-m6 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-m6 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-m6 details p{margin:12px 0 0}\n.dcs-m6 .m6-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-m6 .m6-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-m6 .m6-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-m6 .m6-links a:last-child{background:#f0f3f6}.dcs-m6 a:focus-visible,.dcs-m6 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-m6 .m6-intro,.dcs-m6 .m6-panel{padding:18px}.dcs-m6 th,.dcs-m6 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-m6\"\u003e\n\u003cdiv class=\"m6-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"m6-label\"\u003eStellaLyra · 6-inch f\/4 M-LRN Newtonian\u003c\/p\u003e\n\u003ch2\u003eA compact starting point for a serious imaging setup.\u003c\/h2\u003e\n\u003cp\u003eBuild your deep-sky system around a 600mm focal length in a short, 530mm metal tube. The StellaLyra 6-inch f\/4 combines a parabolic primary mirror with a manual dual-speed Crayford focuser, supplied mounting hardware and an optical finder.\u003c\/p\u003e\n\u003cp\u003eChoose it when you want to assemble and tune your own camera-based telescope, with room in the plan for a suitable mount and corrector.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f4-mlrn-newtonian.jpg?v=1789723132\" alt=\"StellaLyra 6-inch f\/4 M-LRN metal-tube Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m6-panel\"\u003e\n\u003ch3\u003eStart with the targets you want to photograph.\u003c\/h3\u003e\n\u003cp\u003eYour camera sensor and the telescope’s focal length determine how much sky fits in a frame. Before ordering, use a field-of-view planner with your actual camera and a few favourite nebulae, clusters or galaxies. Some subjects will fit comfortably; others will need a mosaic or a different focal length.\u003c\/p\u003e\n\u003cp\u003eThis is a useful way to choose a telescope deliberately. Think about the images you want to make, the equipment you can carry and the time you want to spend setting up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f4-metal-detail-1.jpg?v=1789803306\" alt=\"StellaLyra 6-inch f\/4 metal Newtonian showing tube rings and mounting rail\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA short tube, with the mounting basics included.\u003c\/h3\u003e\n\u003cp\u003eTube rings and a Vixen-style rail provide the connection to a compatible saddle. The published 5.3kg weight includes the rings, rail and finder.\u003c\/p\u003e\n\u003cp\u003eAllow for everything you will add: camera, corrector, filters, guiding equipment and cables. Select a mount for the complete imaging load and your exposure plans. Once assembled, balance the rig with the camera fitted and check clearance as the telescope moves around the sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f4-metal-detail-2.jpg?v=1789803317\" alt=\"Front aperture and focuser of StellaLyra 6-inch f\/4 Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus where it matters.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch linear-bearing Crayford focuser has coarse and fine controls. Use the coarse adjustment to approach focus, then refine it while watching a focus measurement or taking short test exposures.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while fitting it, secure the connections and route cables so they cannot tug on the imaging train. Recheck focus after the system settles and as conditions change. If you plan to add a motor, confirm the bracket and coupling fit before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBudget for a coma corrector from the start.\u003c\/h3\u003e\n\u003cp\u003eA compatible coma corrector is needed for optimum photographic results with this fast Newtonian. The corrector is a separate purchase, along with the camera and adapters.\u003c\/p\u003e\n\u003cp\u003eThere are two checks to make: the spacing from corrector to sensor, and whether the assembled system reaches focus. Follow the corrector manufacturer’s spacing instructions and include any filter drawer or wheel in the measurement. A shared barrel size alone does not establish compatibility.\u003c\/p\u003e\n\u003cp\u003eSend us your camera model and proposed accessories if you would like help checking the arrangement before ordering. It is easier to plan the connections together than to discover a missing adapter on your first clear night.\u003c\/p\u003e\n\u003cdiv class=\"m6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f4-metal-detail-3.jpg?v=1789803329\" alt=\"Included 8x50 straight-through finder on StellaLyra 6-inch Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn optical finder for getting on target.\u003c\/h3\u003e\n\u003cp\u003eThe included 8×50 straight-through finder gives you a separate view for pointing the telescope. Align it with the main telescope before relying on it at night.\u003c\/p\u003e\n\u003cp\u003eA finder is not a complete autoguiding system. If guiding is part of your plan, allow for the guide camera, suitable connections and control equipment, or a separate guiding arrangement matched to your rig.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m6-panel\"\u003e\n\u003ch3\u003eMake the first session a setup session.\u003c\/h3\u003e\n\u003cp\u003eCheck collimation after transport with an appropriate alignment tool. Then focus on a star field and examine a short exposure at the centre and corners before starting a long sequence.\u003c\/p\u003e\n\u003cp\u003eIf the stars look uneven, work through focus, collimation, camera tilt and corrector spacing methodically. Change one thing at a time and keep notes. A repeatable setup routine makes future sessions easier and helps separate optical adjustments from tracking problems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat comes with the telescope?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIncluded\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePlan for separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical tube and fitted focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube rings and Vixen-style rail\u003c\/td\u003e\n\u003ctd\u003eImaging camera and coma corrector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8×50 finder and bracket\u003c\/td\u003e\n\u003ctd\u003eCamera adapters, spacers and filter equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35mm 2-inch extension and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eCollimation tool, power and any guiding equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture class\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian \/ 6-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e600mm \/ nominal f\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed linear-bearing Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length\u003c\/th\u003e\n\u003ctd\u003e530mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutside diameter\u003c\/th\u003e\n\u003ctd\u003e178mm tube body; 183mm end caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with rings, rail and finder\u003c\/th\u003e\n\u003ctd\u003e5.3kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore you choose\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use it with eyepieces?\u003c\/summary\u003e\u003cp\u003eYes. The supplied extension and adapter support visual configurations, but eyepieces are purchased separately. Tell us which eyepieces you intend to use so the complete arrangement can be checked.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it track the sky automatically?\u003c\/summary\u003e\u003cp\u003eNo. Tracking comes from the separately purchased mount. This listing is for the optical tube and the included accessories, so budget for the mounting and control system as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this the carbon-fibre version?\u003c\/summary\u003e\u003cp\u003eNo. This is the metal-tube M-LRN with a Crayford focuser. Check the full model name when comparing the range, as tube construction and focuser specifications differ.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"m6-note\"\u003e\n\u003cstrong\u003eAwaiting stock\u003c\/strong\u003e\u003cp\u003eThis model currently has no available stock recorded. Contact Dark Clear Skies for an availability update before planning an order around a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m6-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%206-inch%20f4%20M-LRN\"\u003eCheck availability and setup\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665189388664,"sku":null,"price":339.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f4-mlrn-newtonian.jpg?v=1789723132"},{"product_id":"stellalyra-8-f-4-m-lrn-newtonian-reflector-with-2-dual-speed-focuser","title":"StellaLyra 8\" f\/4 M-LRN Newtonian Reflector with 2\" Dual-Speed Focuser","description":"\u003cstyle\u003e\n.dcs-m8{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-m8 *{box-sizing:border-box}.dcs-m8 h2,.dcs-m8 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-m8 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-m8 h3{font-size:23px;margin:0 0 16px}\n.dcs-m8 p{margin:0 0 16px}.dcs-m8 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-m8 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-m8 .m8-feature,.dcs-m8 .m8-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-m8 .m8-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-m8 .m8-intro h2,.dcs-m8 .m8-intro p{color:#fff!important}\n.dcs-m8 .m8-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-m8 .m8-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-m8 ul{padding-left:22px;margin:0 0 16px}.dcs-m8 li{margin-bottom:8px}\n.dcs-m8 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-m8 th,.dcs-m8 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-m8 th{background:#f3f5f7;color:#091725}.dcs-m8 th[scope=row]{width:42%}\n.dcs-m8 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-m8 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-m8 details p{margin:12px 0 0}\n.dcs-m8 .m8-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-m8 .m8-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-m8 .m8-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-m8 .m8-links a:last-child{background:#f0f3f6}.dcs-m8 a:focus-visible,.dcs-m8 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-m8 .m8-intro,.dcs-m8 .m8-panel{padding:18px}.dcs-m8 th,.dcs-m8 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-m8\"\u003e\n\u003cdiv class=\"m8-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"m8-label\"\u003eStellaLyra · 8-inch f\/4 M-LRN Newtonian\u003c\/p\u003e\n\u003ch2\u003eBring your deep-sky targets into a closer frame.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 8-inch f\/4 metal-tube Newtonian pairs a 203mm aperture with an 800mm focal length. It is a practical optical platform for building a dedicated imaging rig around your choice of camera, mount and corrector.\u003c\/p\u003e\n\u003cp\u003eA dual-speed focuser, mirror-cooling fan and mounting hardware give you useful starting equipment. The next step is matching the complete system to the photographs you want to take.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f4-mlrn-newtonian.jpg?v=1789723142\" alt=\"StellaLyra 8-inch f\/4 M-LRN metal-tube imaging Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m8-panel\"\u003e\n\u003ch3\u003eIs 800mm right for your camera?\u003c\/h3\u003e\n\u003cp\u003eWith the same sensor, a longer focal length frames a smaller area of sky. Moving from a 600mm telescope to this 800mm model can help when your target looks too small in the wider view, while larger subjects may need a mosaic.\u003c\/p\u003e\n\u003cp\u003eTry your camera and a few favourite targets in a field-of-view planner before choosing. Think about how much surrounding sky you want in the finished image, as well as whether the subject fits. This makes a more useful starting point than selecting on aperture alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f4-metal-detail-1.jpg?v=1789806725\" alt=\"StellaLyra 8-inch f\/4 metal Newtonian with rings and Vixen-style rail\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eChoose the mount around the finished rig.\u003c\/h3\u003e\n\u003cp\u003eThe supplied rings and Vixen-style rail connect the tube to a compatible mount saddle. Published weight is 8.4kg with rings, rail and finder; the tube is 730mm long.\u003c\/p\u003e\n\u003cp\u003eAdd the camera, corrector, filters, guide equipment and cabling when assessing your mounting requirements. Allow room for steady tracking as well as simply carrying the load. Assemble and balance with the actual imaging train fitted, then check camera clearance through the movement you expect during a session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f4-metal-detail-2.jpg?v=1789806737\" alt=\"Rear cooling fan and collimation controls on StellaLyra 8-inch Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eGive the mirror time to settle.\u003c\/h3\u003e\n\u003cp\u003eA rear cooling fan and battery holder are included. The fan assists cooling, while the rear adjustment knobs provide access to primary-mirror collimation.\u003c\/p\u003e\n\u003cp\u003eSet up early enough for the telescope to approach outdoor conditions. Check alignment after transport using a suitable collimation tool, then examine a focused star field. Cooling, focus, alignment and tracking all contribute to the result; avoid trying to solve every soft star with a focuser adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f4-metal-detail-4.jpg?v=1789806750\" alt=\"Dual-speed Crayford focuser and optical finder on StellaLyra 8-inch Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine control for the final focus adjustment.\u003c\/h3\u003e\n\u003cp\u003eThe fitted 2-inch linear-bearing Crayford focuser offers coarse and fine manual control. Approach focus with short exposures, then use the fine adjustment while checking a repeatable focus measurement.\u003c\/p\u003e\n\u003cp\u003eSecure each connection and keep cables from pulling on the camera. Revisit focus during the night as conditions change. If autofocus is part of your plan, check the motor, bracket and coupling together; an automatic focuser is a separate accessory.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan the corrector and camera as one assembly.\u003c\/h3\u003e\n\u003cp\u003eA compatible coma corrector is required for optimum imaging results and is purchased separately. Set the corrector-to-sensor distance to its manufacturer’s specification, accounting for the camera and any filter hardware. Then confirm that the assembly can reach focus.\u003c\/p\u003e\n\u003cp\u003eCorrector spacing and focuser position serve different purposes. Keep a record of your adapters and measurements, so that removing the camera does not mean starting the setup process again. Check the supported sensor size and mechanical connections rather than assuming every 2-inch component is interchangeable.\u003c\/p\u003e\n\u003cdiv class=\"m8-panel\"\u003e\n\u003ch3\u003eA useful first-night routine\u003c\/h3\u003e\n\u003cp\u003eBegin with short test exposures before committing to a long sequence. Compare stars at the centre and in each corner, check that guiding behaves consistently and watch for cable tension as the mount moves.\u003c\/p\u003e\n\u003cp\u003eIf a problem appears, change one variable at a time. Keep notes on focus, spacing and alignment. That record helps you distinguish a repeatable setup issue from changing sky conditions, and makes the next clear night more productive.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIncluded equipment and what to add\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIncluded\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePurchased separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical tube with fitted focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRings and Vixen-style mounting rail\u003c\/td\u003e\n\u003ctd\u003eCamera, coma corrector and camera adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8×50 straight-through finder\u003c\/td\u003e\n\u003ctd\u003eAny guide camera and guiding connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling fan and battery holder\u003c\/td\u003e\n\u003ctd\u003ePower supplies and control equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35mm 2-inch extension and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eEyepieces for visual use; collimation tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSystem-planning specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e203mm \/ 800mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003eNominal f\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed linear-bearing Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length\u003c\/th\u003e\n\u003ctd\u003e730mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutside diameter\u003c\/th\u003e\n\u003ctd\u003e232mm body; 236mm at end caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with rings, rail and finder\u003c\/th\u003e\n\u003ctd\u003e8.4kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCommon buying questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I choose the 6-inch or the 8-inch?\u003c\/summary\u003e\u003cp\u003eCompare framing with your camera first, then the complete mount load and handling. The 8-inch offers a closer view with the same sensor, but a smaller setup may be easier to transport and use regularly. Match the telescope to both your targets and your observing routine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan the finder guide the telescope?\u003c\/summary\u003e\u003cp\u003eThe included finder is an optical pointing aid. Autoguiding requires additional equipment and suitable connections; it is not provided simply by attaching the finder. Ask us to check your proposed guiding arrangement alongside the main camera setup.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I observe through it as well?\u003c\/summary\u003e\u003cp\u003eYes, with separately purchased eyepieces and an appropriate focus configuration. Use the supplied extension or adapter as required by that setup. If visual observing is your main aim, compare the mounting and eyepiece requirements with the Dobsonian range before deciding.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"m8-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Please contact Dark Clear Skies to confirm dispatch timing if your order is needed for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m8-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare StellaLyra telescopes\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%208-inch%20f4%20M-LRN\"\u003eAsk about your imaging setup\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665189880184,"sku":null,"price":499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f4-mlrn-newtonian.jpg?v=1789723142"},{"product_id":"stellalyra-10-f-4-m-lrn-newtonian-reflector-with-3-dual-speed-focuser","title":"StellaLyra 10\" f\/4 M-LRN Newtonian Reflector with 3\" Dual-Speed Focuser","description":"\u003cstyle\u003e\n.dcs-m10{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-m10 *{box-sizing:border-box}.dcs-m10 h2,.dcs-m10 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-m10 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-m10 h3{font-size:23px;margin:0 0 16px}\n.dcs-m10 p{margin:0 0 16px}.dcs-m10 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-m10 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-m10 .m10-feature,.dcs-m10 .m10-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-m10 .m10-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-m10 .m10-intro h2,.dcs-m10 .m10-intro p{color:#fff!important}\n.dcs-m10 .m10-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-m10 .m10-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-m10 ul{padding-left:22px;margin:0 0 16px}.dcs-m10 li{margin-bottom:8px}\n.dcs-m10 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-m10 th,.dcs-m10 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-m10 th{background:#f3f5f7;color:#091725}.dcs-m10 th[scope=row]{width:42%}\n.dcs-m10 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-m10 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-m10 details p{margin:12px 0 0}\n.dcs-m10 .m10-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-m10 .m10-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-m10 .m10-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-m10 .m10-links a:last-child{background:#f0f3f6}.dcs-m10 a:focus-visible,.dcs-m10 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-m10 .m10-intro,.dcs-m10 .m10-panel{padding:18px}.dcs-m10 th,.dcs-m10 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-m10\"\u003e\n\u003cdiv class=\"m10-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"m10-label\"\u003eStellaLyra · 10-inch f\/4 M-LRN Newtonian\u003c\/p\u003e\n\u003ch2\u003eA larger canvas for your next deep-sky project.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 10-inch f\/4 brings a 254mm parabolic mirror and 1016mm focal length to a metal-tube imaging Newtonian with a 3-inch dual-speed linear Crayford focuser.\u003c\/p\u003e\n\u003cp\u003eChoose it for a carefully planned camera rig when you want a closer view of your targets and have the mount, space and setup routine to support a substantial optical tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f4-mlrn-newtonian.jpg?v=1789723153\" alt=\"StellaLyra 10-inch f\/4 M-LRN imaging Newtonian; mount not included\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m10-note\"\u003e\n\u003cstrong\u003eOptical tube package — mount and camera purchased separately.\u003c\/strong\u003e\u003cp\u003eAny mount shown in the photographs is for illustration. Published weight is 14.8kg with rings, dovetail and finder, before adding imaging equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f4-metal-detail-1.jpg?v=1789813708\" alt=\"Front aperture of StellaLyra 10-inch f\/4 Newtonian; supporting mount not included\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFrame smaller subjects more closely.\u003c\/h3\u003e\n\u003cp\u003eAt the same camera sensor size, 1016mm gives a tighter field than an 800mm telescope. That can be useful when a target occupies too little of your existing frame. Larger nebulae may instead call for a mosaic or a shorter focal length.\u003c\/p\u003e\n\u003cp\u003eCheck several intended subjects in a field-of-view planner with your own camera. Consider the surrounding sky you want to include as well as the object itself. The right framing is more useful than buying extra aperture without a clear imaging goal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m10-panel\"\u003e\n\u003ch3\u003eMake mounting and handling part of the buying decision.\u003c\/h3\u003e\n\u003cp\u003eThe tube is 980mm long and measures 307mm across its end caps. Check the space available for storage, transport and lifting it into the saddle, including the route from your storage area to the observing position.\u003c\/p\u003e\n\u003cp\u003eYour mount must carry the entire working assembly. Add the camera, corrector, filters, guiding equipment and cables to the published tube-package weight. Consider the tube’s length and exposure to wind alongside the mount’s payload figure, and allow for the counterweights and balance range your system needs.\u003c\/p\u003e\n\u003cp\u003ePractise assembly in daylight. Support the tube securely while fastening the saddle and rings, then check camera and cable clearance before letting the mount move unattended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f4-metal-detail-2.jpg?v=1789813719\" alt=\"StellaLyra 10-inch Newtonian showing focuser, finder and tube ring\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eUseful hardware for building your system.\u003c\/h3\u003e\n\u003cp\u003eTube rings, a Vixen-style rail and an 8×50 straight-through finder are supplied. Confirm that the rail suits your mount saddle, and align the finder with the main telescope before your first night.\u003c\/p\u003e\n\u003cp\u003ePlan where guiding and control equipment will sit before adding it. Keep cables supported with enough movement for the telescope’s travel, and avoid routing them where they can snag or pull on the camera. An optical finder alone does not provide autoguiding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m10-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f4-metal-detail-3.jpg?v=1789813731\" alt=\"Close-up of the StellaLyra 10-inch Newtonian dual-speed focuser\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA 3-inch focuser with fine manual control.\u003c\/h3\u003e\n\u003cp\u003eThe Crayford focuser offers coarse and fine adjustment for approaching focus and refining it with test exposures. Fit and support the camera carefully, then check that the complete assembly stays secure as the tube changes orientation.\u003c\/p\u003e\n\u003cp\u003eThe focuser’s diameter does not by itself establish camera coverage or a safe imaging-payload limit. Check your corrector, adapters and camera together. If adding autofocus, confirm the specific motor, bracket and coupling requirements before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eChoose the coma corrector alongside the camera.\u003c\/h3\u003e\n\u003cp\u003eA compatible coma corrector is required for optimum photographic results and is not included. Its specified sensor spacing, supported sensor size and connections all matter when planning the imaging train.\u003c\/p\u003e\n\u003cp\u003eWrite down each component between the corrector and sensor, including any filter wheel or drawer. Set the spacing to the corrector manufacturer’s instructions, then check that the whole assembly reaches focus. Do not use focuser travel as a substitute for setting the correct spacing.\u003c\/p\u003e\n\u003ch3\u003eCooling and alignment before a long sequence.\u003c\/h3\u003e\n\u003cp\u003eA mirror-cooling fan and battery holder are included. Allow time for the telescope to settle towards outdoor conditions, and check collimation after transport using a suitable tool.\u003c\/p\u003e\n\u003cp\u003eTake short star-field exposures before committing to a target. Inspect the centre and corners, check tracking, and recheck focus as the night progresses. If something changes, investigate one factor at a time so you can identify whether the cause is focus, alignment, spacing, tilt or mount behaviour.\u003c\/p\u003e\n\u003ch3\u003eWhat is included?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIn the optical tube package\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePlan for separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical tube with fitted focuser\u003c\/td\u003e\n\u003ctd\u003eSuitable tracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube rings and Vixen-style rail\u003c\/td\u003e\n\u003ctd\u003eCamera, coma corrector and camera adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8×50 finder\u003c\/td\u003e\n\u003ctd\u003eGuiding equipment and control system as required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling fan and battery holder\u003c\/td\u003e\n\u003ctd\u003ePower, collimation tool and transport protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35mm 2-inch extension and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eEyepieces for visual observing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications for planning your rig\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e254mm \/ 1016mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003ef\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e3-inch dual-speed linear Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length\u003c\/th\u003e\n\u003ctd\u003e980mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutside diameter\u003c\/th\u003e\n\u003ctd\u003e303mm body; 307mm end caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with rings, rail and finder\u003c\/th\u003e\n\u003ctd\u003e14.8kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a good choice for a portable setup?\u003c\/summary\u003e\u003cp\u003eThat depends on your transport, lifting arrangements and mount. Measure your available space and consider the complete setup routine. If frequent travel is the priority, compare the smaller models before committing to this tube.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the larger focuser guarantee full-frame imaging?\u003c\/summary\u003e\u003cp\u003eNo. Corrected field coverage depends on the complete optical system, including the corrector and adapters. Tell us your camera model and proposed imaging train so compatibility can be checked.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use it visually?\u003c\/summary\u003e\u003cp\u003eYes, with suitable eyepieces and the appropriate focus configuration. Eyepieces and the mount are separate purchases. For mainly visual observing, also compare a Dobsonian’s mounting arrangement and everyday handling.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"m10-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m10-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2010-inch%20f4%20M-LRN\"\u003eCheck your proposed setup\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665190076792,"sku":null,"price":549.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f4-mlrn-newtonian.jpg?v=1789723153"},{"product_id":"stellalyra-6-f-5-m-lrn-newtonian-reflector-with-2-dual-speed-focuser","title":"StellaLyra 6\" f\/5 M-LRN Newtonian Reflector with 2\" Dual-Speed Focuser","description":"\u003cstyle\u003e\n.dcs-f56{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-f56 *{box-sizing:border-box}.dcs-f56 h2,.dcs-f56 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-f56 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-f56 h3{font-size:23px;margin:0 0 16px}\n.dcs-f56 p{margin:0 0 16px}.dcs-f56 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-f56 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-f56 .f56-feature,.dcs-f56 .f56-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-f56 .f56-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-f56 .f56-intro h2,.dcs-f56 .f56-intro p{color:#fff!important}\n.dcs-f56 .f56-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-f56 .f56-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-f56 ul{padding-left:22px;margin:0 0 16px}.dcs-f56 li{margin-bottom:8px}\n.dcs-f56 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-f56 th,.dcs-f56 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-f56 th{background:#f3f5f7;color:#091725}.dcs-f56 th[scope=row]{width:42%}\n.dcs-f56 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-f56 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-f56 details p{margin:12px 0 0}\n.dcs-f56 .f56-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-f56 .f56-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-f56 .f56-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-f56 .f56-links a:last-child{background:#f0f3f6}.dcs-f56 a:focus-visible,.dcs-f56 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-f56 .f56-intro,.dcs-f56 .f56-panel{padding:18px}.dcs-f56 th,.dcs-f56 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-f56\"\u003e\n\u003cdiv class=\"f56-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"f56-label\"\u003eStellaLyra · 6-inch f\/5 M-LRN Newtonian\u003c\/p\u003e\n\u003ch2\u003eExplore through an eyepiece. Build towards imaging.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 6-inch f\/5 combines a 150mm parabolic mirror and 750mm focal length with a 2-inch dual-speed Crayford focuser. It is an optical tube for a separately chosen mount, with the flexibility to support visual observing and a planned camera setup.\u003c\/p\u003e\n\u003cp\u003eChoose it when you want one telescope around which to develop your observing interests, while keeping the mounting and accessory choices in your own hands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f5-mlrn-newtonian.jpg?v=1789723163\" alt=\"StellaLyra 6-inch f\/5 M-LRN Newtonian optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f56-panel\"\u003e\n\u003ch3\u003eChoose your first setup around how you will use it.\u003c\/h3\u003e\n\u003cp\u003eFor visual observing, start with a stable mount and a small selection of suitable eyepieces. For long-exposure imaging, plan a tracking mount, camera, corrector and adapters as a complete system.\u003c\/p\u003e\n\u003cp\u003eThese routes share the optical tube but have different equipment needs. Deciding which comes first helps you spend on the parts you will use immediately, with a clearer plan for what to add later.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f56-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f5-metal-detail-1.jpg?v=1789813988\" alt=\"StellaLyra 6-inch f\/5 Newtonian with tube rings and Vixen-style rail\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA manageable tube starts with a well-matched mount.\u003c\/h3\u003e\n\u003cp\u003eThe tube is 690mm long and 179mm in diameter. Published weight is 5.9kg, including the rings and finder. Rings and a Vixen-style rail are supplied for attachment to a compatible saddle.\u003c\/p\u003e\n\u003cp\u003eAllow for every accessory when assessing mount capacity, especially if you intend to add a camera, filter hardware and guiding equipment. Check storage and transport space as well as payload. A setup that is comfortable to assemble is easier to use whenever a clear evening appears.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat does 750mm mean at the eyepiece?\u003c\/h3\u003e\n\u003cp\u003eMagnification is the telescope focal length divided by the eyepiece focal length. With this tube, a 25mm eyepiece gives 30× and a 10mm gives 75×. These examples help you plan an eyepiece selection; eyepieces are purchased separately.\u003c\/p\u003e\n\u003cp\u003eBegin with a lower-power view to find and frame an object, then increase magnification when the atmosphere and target allow. Higher magnification is not automatically a better view: a steady, well-focused image is more useful than one enlarged beyond what the conditions support.\u003c\/p\u003e\n\u003cdiv class=\"f56-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f5-metal-detail-2.jpg?v=1789813999\" alt=\"Dual-speed Crayford focuser on StellaLyra 6-inch f\/5 Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus for observing and camera work.\u003c\/h3\u003e\n\u003cp\u003eThe linear-bearing Crayford focuser provides coarse and fine manual adjustment, with an adapter for 1.25-inch accessories. Approach focus with the main control, then refine it using the fine adjustment.\u003c\/p\u003e\n\u003cp\u003eFor imaging, use short exposures or a focus measurement to judge the result. Support the camera while fitting it, secure the connections, and keep cables from pulling against the focuser as the telescope moves. Check motor and bracket compatibility separately if you plan to add autofocus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f56-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f5-metal-detail-3.jpg?v=1789814010\" alt=\"6x30 finder and front aperture of StellaLyra 6-inch f\/5 Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA finder to help you learn your way around.\u003c\/h3\u003e\n\u003cp\u003eThe supplied 6×30 straight-through finder gives a separate view for pointing the telescope. Align it with the main tube before relying on it during a session.\u003c\/p\u003e\n\u003cp\u003eUse a low-power eyepiece when moving from the finder to the telescope. For a camera-based setup, the finder remains a pointing aid; it does not provide tracking or autoguiding. Those functions require their own equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f56-panel\"\u003e\n\u003ch3\u003ePlan camera framing before buying adapters.\u003c\/h3\u003e\n\u003cp\u003eEnter your camera sensor and a 750mm focal length into a field-of-view planner. Test several intended targets and decide whether you want a close composition or more surrounding sky.\u003c\/p\u003e\n\u003cp\u003eThe same telescope frames differently with different sensor sizes. This check helps establish whether the combination suits your projects before you invest in the rest of the imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eA complete imaging train includes a coma corrector.\u003c\/h3\u003e\n\u003cp\u003eA compatible coma corrector is required for optimum photographic results and is not included. Match its supported sensor size and mechanical connections to the camera, then follow its specified corrector-to-sensor spacing.\u003c\/p\u003e\n\u003cp\u003eInclude any filter drawer or wheel in that plan and confirm that the assembled system reaches focus. Corrector spacing and telescope focus are separate adjustments. Send us your camera and proposed accessories if you would like help checking the combination.\u003c\/p\u003e\n\u003ch3\u003eKeep alignment checks part of the routine.\u003c\/h3\u003e\n\u003cp\u003eCheck collimation with a suitable tool, particularly after transport, and allow the telescope to settle towards outdoor conditions. Start an imaging session with short star-field exposures so you can inspect focus and star shapes before collecting a long sequence.\u003c\/p\u003e\n\u003cp\u003eMake one adjustment at a time and note the result. A repeatable setup is more useful than changing several things at once and losing track of what improved the image.\u003c\/p\u003e\n\u003ch3\u003eIncluded and required separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIncluded\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical tube and fitted focuser\u003c\/td\u003e\n\u003ctd\u003eSuitable mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube rings and Vixen-style rail\u003c\/td\u003e\n\u003ctd\u003eEyepieces for visual observing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6×30 optical finder and dust cap\u003c\/td\u003e\n\u003ctd\u003eCamera, coma corrector and imaging adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.25-inch focuser adapter\u003c\/td\u003e\n\u003ctd\u003eCollimation tool; power and guiding as required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian \/ 150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e750mm \/ f\/5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed linear-bearing Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinder\u003c\/th\u003e\n\u003ctd\u003e6×30 straight-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength \/ diameter\u003c\/th\u003e\n\u003ctd\u003e690mm \/ 179mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished weight\u003c\/th\u003e\n\u003ctd\u003e5.9kg, including rings and finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a complete beginner telescope package?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical tube package. You need a suitable mount and either eyepieces or an imaging system. Tell us what you already own and what you want to observe so the missing pieces can be identified before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow should I compare it with the 6-inch f\/4?\u003c\/summary\u003e\u003cp\u003eCompare camera framing, physical size, mounting needs and your observing priorities. This f\/5 model has a longer focal length, giving higher magnification with the same eyepiece. Neither focal ratio removes the need to check alignment and plan your accessories.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I start visually and add a camera later?\u003c\/summary\u003e\u003cp\u003eYes, provided you plan the mount and optical connections for that later use. A mount suited to casual visual observing is not automatically suitable for long exposures, so consider the intended upgrade before buying the first setup.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"f56-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f56-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%206-inch%20f5%20setup\"\u003eAsk about your setup\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665190273400,"sku":null,"price":309.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f5-mlrn-newtonian.jpg?v=1789723163"},{"product_id":"stellalyra-8-f-5-m-lrn-newtonian-reflector-with-2-dual-speed-focuser","title":"StellaLyra 8\" f\/5 M-LRN Newtonian Reflector with 2\" Dual-Speed Focuser","description":"\u003cstyle\u003e\n.dcs-f58{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-f58 *{box-sizing:border-box}.dcs-f58 h2,.dcs-f58 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-f58 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-f58 h3{font-size:23px;margin:0 0 16px}\n.dcs-f58 p{margin:0 0 16px}.dcs-f58 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-f58 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-f58 .f58-feature,.dcs-f58 .f58-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-f58 .f58-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-f58 .f58-intro h2,.dcs-f58 .f58-intro p{color:#fff!important}\n.dcs-f58 .f58-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-f58 .f58-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-f58 ul{padding-left:22px;margin:0 0 16px}.dcs-f58 li{margin-bottom:8px}\n.dcs-f58 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-f58 th,.dcs-f58 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-f58 th{background:#f3f5f7;color:#091725}.dcs-f58 th[scope=row]{width:42%}\n.dcs-f58 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-f58 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-f58 details p{margin:12px 0 0}\n.dcs-f58 .f58-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-f58 .f58-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-f58 .f58-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-f58 .f58-links a:last-child{background:#f0f3f6}.dcs-f58 a:focus-visible,.dcs-f58 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-f58 .f58-intro,.dcs-f58 .f58-panel{padding:18px}.dcs-f58 th,.dcs-f58 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-f58\"\u003e\n\u003cdiv class=\"f58-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"f58-label\"\u003eStellaLyra · 8-inch f\/5 M-LRN Newtonian\u003c\/p\u003e\n\u003ch2\u003eMake room for an eight-inch view.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 8-inch f\/5 puts a 200mm parabolic mirror and 1000mm focal length into a metal optical tube with a 2-inch dual-speed Crayford focuser. Build around it for eyepiece observing, or pair it with a carefully matched camera system.\u003c\/p\u003e\n\u003cp\u003eThis is a substantial telescope for someone ready to choose the mount and accessories around their own observing priorities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f5-mlrn-newtonian.jpg?v=1789723172\" alt=\"StellaLyra 8-inch f\/5 M-LRN Newtonian optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f58-panel\"\u003e\n\u003ch3\u003eChoose the view before choosing the accessories.\u003c\/h3\u003e\n\u003cp\u003eAt the eyepiece, magnification depends on the eyepiece you fit: divide the telescope’s focal length by the eyepiece focal length. A 25mm eyepiece gives 40× here, while a 10mm gives 100×. These are planning examples; eyepieces are separate purchases.\u003c\/p\u003e\n\u003cp\u003eBegin with a lower-power view to locate and frame a target, then increase magnification when the atmosphere allows. For imaging, use your camera’s sensor size in a field-of-view planner to check whether your intended subjects fit the frame.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f58-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f5-metal-detail-1.jpg?v=1789815291\" alt=\"StellaLyra 8-inch f\/5 Newtonian with red tube rings and mounting rail\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eA metre of focal length needs a considered mounting plan.\u003c\/h3\u003e\n\u003cp\u003eThe tube measures 900mm long by 230mm in diameter. Published weight is 9kg including rings and finder, with a Vixen-style mounting rail supplied.\u003c\/p\u003e\n\u003cp\u003eChoose your mount for the complete working system, adding camera, corrector, guiding equipment and filters to the tube load. The length of the tube and exposure to wind also matter for imaging. Check saddle compatibility, balance range and clearance before assuming an existing mount is suitable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMake regular use practical.\u003c\/h3\u003e\n\u003cp\u003eMeasure the storage space and the route to your observing position, including doorways and steps. Consider how you will support the tube while securing it in the mount saddle, and practise the assembly in daylight.\u003c\/p\u003e\n\u003cp\u003eA larger telescope is most rewarding when it is comfortable to set up. If frequent travel or a quick carry into the garden is the priority, compare the smaller 6-inch model alongside this one before deciding.\u003c\/p\u003e\n\u003cdiv class=\"f58-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f5-metal-detail-2.jpg?v=1789815304\" alt=\"8x50 finder and focuser on StellaLyra 8-inch f\/5 Newtonian\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn optical finder for getting on target.\u003c\/h3\u003e\n\u003cp\u003eThe included 8×50 straight-through finder provides a separate pointing view. Align it with the main telescope before your first session so an object centred in the finder also appears in a low-power eyepiece.\u003c\/p\u003e\n\u003cp\u003eFor camera work, the finder remains a pointing aid. Tracking and autoguiding require additional equipment; they are not functions supplied by the optical finder itself. Plan those parts around the mount and camera you intend to use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f58-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f5-metal-detail-3.jpg?v=1789815315\" alt=\"Close-up of StellaLyra 8-inch f\/5 dual-speed Crayford focuser\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eRefine focus with a light touch.\u003c\/h3\u003e\n\u003cp\u003eThe linear-bearing Crayford focuser offers coarse and fine manual control, with a 1.25-inch adapter for smaller accessories. Use the coarse control to approach focus and the fine control to make the final adjustment.\u003c\/p\u003e\n\u003cp\u003eWhen fitting a camera, support its weight while securing the connections. Arrange cables so they cannot tug on the focuser as the telescope changes position. If you want motorised focusing, confirm the motor, bracket and coupling requirements for your setup before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f58-panel\"\u003e\n\u003ch3\u003eBuild the imaging train as a complete system.\u003c\/h3\u003e\n\u003cp\u003eA compatible coma corrector is needed for optimum photographic results and is purchased separately. Select it with your sensor size, camera connections and filter hardware in mind.\u003c\/p\u003e\n\u003cp\u003eSet the corrector-to-sensor spacing to its manufacturer’s instructions, then confirm that the complete assembly reaches focus. These are separate checks. Avoid treating the focuser diameter as a promise of corrected coverage across any particular sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eEstablish a repeatable first-light routine.\u003c\/h3\u003e\n\u003cp\u003eLet the telescope settle towards outdoor conditions and check collimation with an appropriate tool, particularly after transport. For imaging, begin with short star-field exposures and inspect the centre and corners before starting a long sequence.\u003c\/p\u003e\n\u003cp\u003eRecheck focus as conditions change. If star shapes are uneven, investigate focus, alignment, spacing, tilt and tracking methodically, adjusting one factor at a time. Keep a record of the adapter arrangement so you can rebuild the same setup after removing the camera.\u003c\/p\u003e\n\u003ch3\u003eIncluded equipment\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the tube\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical tube and fitted focuser\u003c\/td\u003e\n\u003ctd\u003eMount and stable tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube rings and Vixen-style rail\u003c\/td\u003e\n\u003ctd\u003eEyepieces for visual observing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8×50 optical finder and dust cap\u003c\/td\u003e\n\u003ctd\u003eCamera, corrector and imaging adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.25-inch focuser adapter\u003c\/td\u003e\n\u003ctd\u003eCollimation tool; guiding and power as required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications for planning your setup\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design \/ aperture\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian \/ 200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1000mm \/ f\/5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed linear-bearing Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinder\u003c\/th\u003e\n\u003ctd\u003e8×50 straight-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ diameter\u003c\/th\u003e\n\u003ctd\u003e900mm \/ 230mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished weight\u003c\/th\u003e\n\u003ctd\u003e9kg including rings and finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhich StellaLyra suits your plans?\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does this compare with the 8-inch f\/4?\u003c\/summary\u003e\u003cp\u003eThis f\/5 model gives a tighter camera field and higher magnification with the same eyepiece because of its longer focal length. Compare the framing, tube dimensions and total mounting load against your intended use. Both require careful alignment and a compatible corrector for optimum imaging.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I choose this or the 6-inch f\/5?\u003c\/summary\u003e\u003cp\u003eThe 8-inch offers a larger aperture and a longer focal length, alongside greater handling and mounting demands. Choose the system you can comfortably store, carry and support with an appropriate mount, rather than judging the optical tube in isolation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it supplied ready to observe?\u003c\/summary\u003e\u003cp\u003eYou still need a suitable mount and eyepieces, or a camera system for imaging. Send us a list of the equipment you already own so the remaining parts can be checked before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"f58-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"f58-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%208-inch%20f5%20setup\"\u003eCheck your setup with DCS\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665191616888,"sku":null,"price":469.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f5-mlrn-newtonian.jpg?v=1789723172"},{"product_id":"stellalyra-12-f-4-m-lrn-newtonian-reflector-with-3-focuser","title":"StellaLyra 12\" f\/4 M-LRN Newtonian Reflector with 3\" Focuser","description":"\u003cstyle\u003e\n.dcs-m12{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-m12 *{box-sizing:border-box}.dcs-m12 h2,.dcs-m12 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-m12 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-m12 h3{font-size:23px;margin:0 0 16px}\n.dcs-m12 p{margin:0 0 16px}.dcs-m12 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-m12 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-m12 .m12-feature,.dcs-m12 .m12-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-m12 .m12-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-m12 .m12-intro h2,.dcs-m12 .m12-intro p{color:#fff!important}\n.dcs-m12 .m12-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-m12 .m12-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-m12 ul{padding-left:22px;margin:0 0 16px}.dcs-m12 li{margin-bottom:8px}\n.dcs-m12 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-m12 th,.dcs-m12 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-m12 th{background:#f3f5f7;color:#091725}.dcs-m12 th[scope=row]{width:42%}\n.dcs-m12 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-m12 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-m12 details p{margin:12px 0 0}\n.dcs-m12 .m12-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-m12 .m12-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-m12 .m12-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-m12 .m12-links a:last-child{background:#f0f3f6}.dcs-m12 a:focus-visible,.dcs-m12 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-m12 .m12-intro,.dcs-m12 .m12-panel{padding:18px}.dcs-m12 th,.dcs-m12 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-m12\"\u003e\n\u003cdiv class=\"m12-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"m12-label\"\u003eStellaLyra · 12-inch f\/4 M-LRN Newtonian\u003c\/p\u003e\n\u003ch2\u003eBuild a large-aperture imaging system with purpose.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 12-inch f\/4 combines a 305mm parabolic mirror with a 1220mm focal length and a 3-inch dual-speed linear Crayford focuser. It is a substantial optical tube for a carefully planned deep-sky rig.\u003c\/p\u003e\n\u003cp\u003eChoose it when your imaging goals, mount and observing space are ready for a larger Newtonian, and you want to select the camera and correction system yourself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f4-mlrn-newtonian.jpg?v=1789723183\" alt=\"StellaLyra 12-inch f\/4 M-LRN Newtonian; any supporting mount is not included\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m12-note\"\u003e\n\u003cstrong\u003eOptical tube package only.\u003c\/strong\u003e\u003cp\u003eMount, tripod or pier, camera and coma corrector are purchased separately. The published tube-package weight is 23kg with rings, rail and finder, before adding imaging equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f4-metal-detail-1.jpg?v=1789815487\" alt=\"StellaLyra 12-inch f\/4 Newtonian on an illustrative mount; mount and pier not included\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003cfigcaption style=\"padding:12px;font-size:14px\"\u003eMount, counterweights and pier shown for illustration; not included.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eMake the mounting plan first.\u003c\/h3\u003e\n\u003cp\u003eAt 1170mm long and 356mm in diameter, this tube needs more than a check against a mount’s headline payload. Consider the complete load, tube length, balance range, wind exposure and clearance throughout the mount’s movement.\u003c\/p\u003e\n\u003cp\u003eAllow for the camera, corrector, filters, guiding equipment and cabling. Check the saddle connection and counterweight requirements with the mount supplier. Plan how the tube will be supported while it is fitted or removed, and arrange assistance where needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m12-panel\"\u003e\n\u003ch3\u003eThink beyond the space occupied by the telescope.\u003c\/h3\u003e\n\u003cp\u003eMeasure the route from storage to the mount, including doorways, steps and turning space. Leave room to work around the mounted tube, reach adjustment points and manage cables without disturbing the balance.\u003c\/p\u003e\n\u003cp\u003eIf you dismantle everything after every session, consider that whole routine before committing to this size. A fixed observing position can make a larger system more practical, but it still needs suitable storage and protection between uses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f4-metal-detail-2.jpg?v=1789815500\" alt=\"Front aperture and secondary mirror assembly of StellaLyra 12-inch f\/4 Newtonian\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eCheck how 1220mm frames your targets.\u003c\/h3\u003e\n\u003cp\u003eWith a given camera sensor, a longer focal length places a smaller area of sky in the frame. This can suit targets that look too small in a shorter setup, while larger subjects may require a mosaic.\u003c\/p\u003e\n\u003cp\u003eUse a field-of-view planner with your actual camera and several intended subjects. Check both the object and the surrounding sky you want to capture. Choose the system because that framing serves your projects, rather than expecting a larger mirror alone to deliver a better finished image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m12-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f4-metal-detail-3.jpg?v=1789815512\" alt=\"3-inch dual-speed focuser and 8x50 finder on StellaLyra 12-inch f\/4 Newtonian\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine manual focus, with the camera system chosen separately.\u003c\/h3\u003e\n\u003cp\u003eThe fitted 3-inch linear Crayford focuser provides coarse and fine adjustment. Use short exposures and a repeatable focus measurement to refine focus, then revisit it as conditions change.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while securing it and keep cables from pulling on the assembly. Focuser diameter alone does not establish a payload rating or corrected sensor coverage. Confirm the complete camera, corrector and adapter arrangement before buying, including motor compatibility if you plan autofocus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eA coma corrector belongs in the initial budget.\u003c\/h3\u003e\n\u003cp\u003eA compatible corrector is required for optimum photographic results. Select it for the intended camera sensor and mechanical connections, then follow its specified corrector-to-sensor spacing.\u003c\/p\u003e\n\u003cp\u003eInclude filter equipment in the spacing calculation and check that the assembled system reaches focus. These are separate requirements: moving the focuser does not replace correct spacing. Keep a record of the adapter sequence so it can be rebuilt accurately after removing the camera.\u003c\/p\u003e\n\u003ch3\u003eAllow time for cooling and alignment.\u003c\/h3\u003e\n\u003cp\u003eAn integrated fan assists mirror cooling, and the mirrors have collimation adjustment. Set up early enough for the tube to approach outdoor conditions and check alignment with an appropriate tool after transport.\u003c\/p\u003e\n\u003cp\u003eBefore starting a long sequence, inspect a short star-field exposure at the centre and corners. Work through focus, alignment, spacing, tilt and tracking one factor at a time if the result is uneven. Establishing a repeatable baseline makes later sessions easier to diagnose and more productive.\u003c\/p\u003e\n\u003ch3\u003eIncluded equipment and separate purchases\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eRequired separately for imaging\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical tube, fitted focuser and cooling fan\u003c\/td\u003e\n\u003ctd\u003eSuitable tracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube rings and Vixen-style mounting rail\u003c\/td\u003e\n\u003ctd\u003eCamera and compatible coma corrector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8×50 straight-through finder\u003c\/td\u003e\n\u003ctd\u003eAdapters, filters and any guiding equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35mm 2-inch extension and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003ePower, control equipment and collimation tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eParabolic Newtonian \/ 305mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1220mm \/ f\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e3-inch dual-speed linear Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinder\u003c\/th\u003e\n\u003ctd\u003e8×50 straight-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ outside diameter\u003c\/th\u003e\n\u003ctd\u003e1170mm \/ 356mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with rings, rail and finder\u003c\/th\u003e\n\u003ctd\u003e23kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore choosing the 12-inch\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWill my existing mount carry it?\u003c\/summary\u003e\u003cp\u003eAssess the complete imaging load and the mount’s suitability for a long tube. Send us the exact mount model, camera and accessories so the combination can be reviewed. The optical tube’s weight alone is not enough to establish suitability.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it suitable for visual observing?\u003c\/summary\u003e\u003cp\u003eIt can be used with appropriate eyepieces and a suitable mount, purchased separately. If visual observing is your main priority, compare the handling and mounting arrangement of the Dobsonian range before deciding.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the finder provide autoguiding?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical pointing aid. Guiding requires a guide camera and suitable connections or another guiding arrangement matched to the rig.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"m12-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m12-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2012-inch%20f4%20setup\"\u003eDiscuss your mount and camera\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665191911800,"sku":null,"price":799.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f4-mlrn-newtonian.jpg?v=1789723183"},{"product_id":"stellalyra-6-f-9-m-crf-ritchey-chretien-telescope-ota","title":"StellaLyra 6\" f\/9 M-CRF Ritchey-Chrétien Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc6{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc6 *{box-sizing:border-box}.dcs-rc6 h2,.dcs-rc6 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc6 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc6 h3{font-size:23px;margin:0 0 16px}\n.dcs-rc6 p{margin:0 0 16px}.dcs-rc6 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc6 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc6 .rc6-feature,.dcs-rc6 .rc6-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc6 .rc6-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc6 .rc6-intro h2,.dcs-rc6 .rc6-intro p{color:#fff!important}\n.dcs-rc6 .rc6-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc6 .rc6-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc6 ul{padding-left:22px;margin:0 0 16px}.dcs-rc6 li{margin-bottom:8px}\n.dcs-rc6 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc6 th,.dcs-rc6 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc6 th{background:#f3f5f7;color:#091725}.dcs-rc6 th[scope=row]{width:42%}\n.dcs-rc6 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc6 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc6 details p{margin:12px 0 0}\n.dcs-rc6 .rc6-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc6 .rc6-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc6 .rc6-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc6 .rc6-links a:last-child{background:#f0f3f6}.dcs-rc6 a:focus-visible,.dcs-rc6 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc6 .rc6-intro,.dcs-rc6 .rc6-panel{padding:18px}.dcs-rc6 th,.dcs-rc6 td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-rc6\"\u003e\n\u003cdiv class=\"rc6-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc6-label\"\u003eStellaLyra · 6-inch f\/9 M-CRF Ritchey–Chrétien\u003c\/p\u003e\n\u003ch2\u003eA closer view of smaller deep-sky targets.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 6-inch RC combines a 153mm aperture and 1370mm focal length in a short metal tube. Its two hyperbolic mirrors form a Ritchey–Chrétien optical system, with a fixed primary mirror and a separate rear focuser.\u003c\/p\u003e\n\u003cp\u003eChoose it when you want a tighter camera view of smaller targets and are ready to build a tracking, focusing and alignment routine around a longer focal length.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-mcrf-rc-ota.jpg?v=1789723211\" alt=\"StellaLyra 6-inch f\/9 M-CRF metal Ritchey-Chretien optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6-panel\"\u003e\n\u003ch3\u003eChoose it for framing, not simply more magnification.\u003c\/h3\u003e\n\u003cp\u003eWith the same sensor, a longer focal length places a smaller area of sky in the image. That can help when a galaxy or compact nebula looks too small in your current wide-field setup.\u003c\/p\u003e\n\u003cp\u003eCheck your favourite targets in a field-of-view planner using your actual camera. Some will fit well; larger subjects may need a mosaic. Consider your camera’s pixel size and local seeing alongside the framing, because a closer image scale also makes tracking and focus errors more noticeable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-metal-rc-detail-2.jpg?v=1789815720\" alt=\"Front aperture, secondary mirror and internal baffles of StellaLyra 6-inch RC\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn RC optical system, with internal baffling.\u003c\/h3\u003e\n\u003cp\u003eThe design corrects coma without the Newtonian-style coma corrector used by the f\/4 and f\/5 reflector range. Internal baffles help control stray light.\u003c\/p\u003e\n\u003cp\u003eThat does not guarantee a perfectly flat, corrected image across every sensor. Assess the camera and any RC-compatible field-correction optics together. A corrector bought for a Newtonian should not be assumed suitable simply because its barrel fits the focuser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-metal-rc-detail-1.jpg?v=1789815708\" alt=\"Rear Crayford focuser on StellaLyra 6-inch f\/9 metal Ritchey-Chretien\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFocus at the rear while the primary stays fixed.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch dual-speed rotatable Crayford focuser moves the camera or eyepiece to focus. The primary mirror remains fixed, avoiding the focusing movement of the primary used in some other telescope designs.\u003c\/p\u003e\n\u003cp\u003eUse coarse adjustment to approach focus, then refine it with the fine control and short test exposures. Support your camera while attaching it and check that the complete assembly remains secure as the telescope points higher in the sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eThree extension rings help position your imaging train.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm rings and one 50mm ring are supplied. Select the combination needed for your particular camera arrangement; do not assume every ring must be installed.\u003c\/p\u003e\n\u003cp\u003eThese rings provide mechanical extension. If you add a reducer or flattener, its required distance to the camera sensor is a separate measurement. Account for the camera’s sensor recess, filter hardware and adapters, then check that the complete setup can reach focus with useful adjustment remaining.\u003c\/p\u003e\n\u003cdiv class=\"rc6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-metal-rc-detail-3.jpg?v=1789815734\" alt=\"Vixen-style mounting rail on StellaLyra 6-inch Ritchey-Chretien tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eShort tube, with rear-mounted equipment to balance.\u003c\/h3\u003e\n\u003cp\u003eThe published tube length is 391mm and diameter is 193mm including end rings. Weight with the supplied accessories is 5.61kg, and a Vixen-style rail provides the mounting connection.\u003c\/p\u003e\n\u003cp\u003eThe camera and extensions add length and weight behind the tube. Balance with the actual imaging train fitted, check saddle travel and verify clearance around the mount. Include guiding equipment, filters and cabling when assessing the complete load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6-panel\"\u003e\n\u003ch3\u003ePlan tracking and alignment as carefully as the optics.\u003c\/h3\u003e\n\u003cp\u003eA compact tube does not make long-focal-length imaging insensitive to mount performance. Choose the tracking and guiding arrangement for the image scale and exposure times you intend to use.\u003c\/p\u003e\n\u003cp\u003eCheck collimation with a method appropriate to an RC, then inspect a star field before starting a long sequence. If alignment is already good, avoid making unnecessary adjustments. Keep notes and change one factor at a time when investigating uneven stars, so focus, tilt and alignment are not confused with one another.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat is supplied?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eIncluded\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRC optical tube with fitted focuser and Vixen-style rail\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eCamera and suitable camera connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eAny reducer or field-correction optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVixen\/Synta-style finder base\u003c\/td\u003e\n\u003ctd\u003eFinder, guiding equipment and power as required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA finder is not included. Eyepieces and any diagonal for visual use are also separate purchases.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design\u003c\/th\u003e\n\u003ctd\u003eRitchey–Chrétien, hyperbolic primary and secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAperture \/ focal length\u003c\/th\u003e\n\u003ctd\u003e153mm \/ 1370mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd\u003eNominal f\/9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocusing\u003c\/th\u003e\n\u003ctd\u003eFixed primary; 2-inch dual-speed rotatable Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ outside diameter\u003c\/th\u003e\n\u003ctd\u003e391mm \/ 193mm including end rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with included accessories\u003c\/th\u003e\n\u003ctd\u003e5.61kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore choosing the 6-inch RC\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs a reducer included?\u003c\/summary\u003e\u003cp\u003eNo. Select an RC-compatible reducer separately if it suits your camera and target framing. Check the specified spacing and supported sensor size before assembling the imaging train.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use my existing Newtonian coma corrector?\u003c\/summary\u003e\u003cp\u003eDo not assume compatibility. The RC has a different optical design and does not require a Newtonian coma corrector. Tell us the exact accessory and camera models so the proposed combination can be checked.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I observe through an eyepiece?\u003c\/summary\u003e\u003cp\u003eYes, with the appropriate eyepiece and focus arrangement. If visual observing is your main priority, compare the complete mounting and accessory requirements with the Dobsonian and Classical Cassegrain ranges before deciding.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc6-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore StellaLyra telescope types\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%206-inch%20RC%20setup\"\u003eCheck your camera setup\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192567160,"sku":null,"price":459.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-mcrf-rc-ota.jpg?v=1789723211"},{"product_id":"stellalyra-6-f-9-m-crf-ritchey-chretien-carbon-fibre-telescope-ota","title":"StellaLyra 6\" F\/9 M-CRF Ritchey-Chrétien Carbon Fibre Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc6c{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc6c *{box-sizing:border-box}.dcs-rc6c h2,.dcs-rc6c h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc6c h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc6c h3{font-size:23px;margin:0 0 16px}\n.dcs-rc6c p{margin:0 0 16px}.dcs-rc6c figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc6c img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc6c .rc6c-feature,.dcs-rc6c .rc6c-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc6c .rc6c-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc6c .rc6c-intro h2,.dcs-rc6c .rc6c-intro p{color:#fff!important}\n.dcs-rc6c .rc6c-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc6c .rc6c-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc6c ul{padding-left:22px;margin:0 0 16px}.dcs-rc6c li{margin-bottom:8px}\n.dcs-rc6c table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc6c th,.dcs-rc6c td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc6c th{background:#f3f5f7;color:#091725}.dcs-rc6c th[scope=row]{width:42%}\n.dcs-rc6c details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc6c summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc6c details p{margin:12px 0 0}\n.dcs-rc6c .rc6c-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc6c .rc6c-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc6c .rc6c-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc6c .rc6c-links a:last-child{background:#f0f3f6}.dcs-rc6c a:focus-visible,.dcs-rc6c summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc6c .rc6c-intro,.dcs-rc6c .rc6c-panel{padding:18px}.dcs-rc6c th,.dcs-rc6c td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-rc6c\"\u003e\n\u003cdiv class=\"rc6c-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc6c-label\"\u003eStellaLyra · 6-inch f\/9 Carbon-Fibre RC\u003c\/p\u003e\n\u003ch2\u003eLong-focal-length imaging in a compact carbon tube.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 6-inch carbon-fibre Ritchey–Chrétien pairs a 153mm aperture with a 1370mm focal length. A fixed primary mirror and separate rear focuser form the basis of a compact telescope for a carefully assembled camera rig.\u003c\/p\u003e\n\u003cp\u003eChoose it for projects where you want a closer frame than a short-focal-length telescope provides, with the tube construction and accessory choices that suit your setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-mcrf-carbon-rc-ota.jpg?v=1789723220\" alt=\"StellaLyra 6-inch f\/9 M-CRF carbon-fibre Ritchey-Chretien optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6c-panel\"\u003e\n\u003ch3\u003eWhat does the carbon version change?\u003c\/h3\u003e\n\u003cp\u003eThe carbon-fibre tube package has a published weight of 5.2kg with the supplied accessories. The equivalent metal 6-inch RC is listed at 5.61kg, while both share the same aperture and focal length.\u003c\/p\u003e\n\u003cp\u003eThe choice is about the tube construction and your overall equipment plan. Carbon fibre alone is not a promise of better stars or a reason to stop checking focus during a session. Keep room in the budget for the mount, camera connections and any appropriate correction optics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-carbon-rc-detail-2.jpg?v=1789815914\" alt=\"Secondary mirror and internal baffles in StellaLyra 6-inch carbon RC\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eRC optics for a tighter view of the sky.\u003c\/h3\u003e\n\u003cp\u003eThe optical system uses hyperbolic primary and secondary mirrors, with internal baffles to control stray light. Its coma-corrected design differs from a Newtonian.\u003c\/p\u003e\n\u003cp\u003eUse a field-of-view planner with your camera and intended subjects before choosing. A smaller galaxy may benefit from closer framing, while a large nebula may need a mosaic. Sensor size determines framing, and pixel size, seeing and tracking influence how useful the resulting image scale will be.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-carbon-rc-detail-3.jpg?v=1789815926\" alt=\"Rotatable dual-speed Crayford focuser on StellaLyra 6-inch carbon RC\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFocus without moving the primary mirror.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch dual-speed rotatable Crayford focuser handles focusing at the rear of the tube while the primary remains fixed. Coarse and fine controls let you approach focus and then refine it with short exposures.\u003c\/p\u003e\n\u003cp\u003eSecure the camera and check the adjustment with the imaging train in place. Support cables so they cannot pull on the focuser as the telescope moves. If you want autofocus, confirm the motor, coupling and bracket fit separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eUse the supplied extension rings to suit your camera.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm rings and one 50mm ring are included to provide focus extension. Your camera arrangement determines which combination is needed; fitting all three is not a universal setup instruction.\u003c\/p\u003e\n\u003cp\u003eIf adding an RC-compatible reducer or flattener, follow its specified sensor spacing as well as checking that the telescope reaches focus. Include adapters and filter hardware in your measurements, and record the finished arrangement so it can be reassembled consistently.\u003c\/p\u003e\n\u003cdiv class=\"rc6c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-carbon-rc-detail-1.jpg?v=1789815902\" alt=\"StellaLyra 6-inch f\/9 carbon-fibre RC showing rear focuser and mounting rail\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eBalance the equipment behind the compact tube.\u003c\/h3\u003e\n\u003cp\u003eThe published tube length is 391mm, with a diameter of 193mm including end rings. A Vixen-style rail provides the mount connection.\u003c\/p\u003e\n\u003cp\u003eExtensions, a filter wheel and a camera move weight rearwards. Fit the complete imaging train before balancing, then check saddle travel and clearance around the mount. Add guiding equipment and cables to the payload calculation rather than selecting a mount on the bare telescope weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6c-panel\"\u003e\n\u003ch3\u003ePlan correction for the sensor you actually use.\u003c\/h3\u003e\n\u003cp\u003eComa correction does not mean every sensor will record a perfectly flat, sharp field without additional optics. Assess any reducer or flattener for the RC design, sensor size and mechanical connections in your proposed system.\u003c\/p\u003e\n\u003cp\u003eA Newtonian coma corrector is not an interchangeable solution for an RC. Send us the exact camera and accessory models so the combination can be checked before you buy adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBuild a reliable alignment and tracking routine.\u003c\/h3\u003e\n\u003cp\u003eA short tube can still be demanding at a long focal length. Choose tracking and guiding equipment for your intended image scale and exposure lengths, and inspect short test frames before starting a long run.\u003c\/p\u003e\n\u003cp\u003eCheck collimation using an RC-appropriate method, particularly after transport. Avoid adjusting an already well-aligned system without evidence of a problem. When investigating uneven stars, separate focus, tilt, spacing, tracking and alignment checks, changing one factor at a time.\u003c\/p\u003e\n\u003ch3\u003eIncluded equipment\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-fibre RC tube, focuser and Vixen-style rail\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eCamera, filter hardware and camera adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eAny RC-compatible reducer or flattener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder mounting base\u003c\/td\u003e\n\u003ctd\u003eFinder, guiding and power equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA finder, eyepieces and diagonal are not included.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design \/ aperture\u003c\/th\u003e\n\u003ctd\u003eRitchey–Chrétien \/ 153mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1370mm \/ nominal f\/9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube material\u003c\/th\u003e\n\u003ctd\u003eCarbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocusing\u003c\/th\u003e\n\u003ctd\u003eFixed primary; 2-inch dual-speed rotatable Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength \/ outside diameter\u003c\/th\u003e\n\u003ctd\u003e391mm \/ 193mm including end rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with supplied accessories\u003c\/th\u003e\n\u003ctd\u003e5.2kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this frame targets differently from the metal 6-inch RC?\u003c\/summary\u003e\u003cp\u003eNo, with the same camera and optical accessories the shared focal length gives the same framing. Compare tube construction and the whole-system budget when choosing between them.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include a reducer?\u003c\/summary\u003e\u003cp\u003eNo. A reducer is an optional separate purchase. Check RC compatibility, sensor coverage, connections and spacing before adding one to the system.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it be used for visual observing?\u003c\/summary\u003e\u003cp\u003eYes, with suitable eyepieces and an appropriate focus arrangement. Budget for those accessories and a mount separately. If visual use is your main priority, compare the other telescope types in the StellaLyra hub before deciding.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc6c-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc6c-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%206-inch%20carbon%20RC\"\u003eDiscuss your camera setup\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192599928,"sku":null,"price":549.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f9-mcrf-carbon-rc-ota.jpg?v=1789723220"},{"product_id":"stellalyra-8-f-8-m-lrs-ritchey-chretien-carbon-fibre-telescope-ota","title":"StellaLyra 8\" F\/8 M-LRS Ritchey-Chrétien Carbon Fibre Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc8c{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc8c *{box-sizing:border-box}.dcs-rc8c h2,.dcs-rc8c h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc8c h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc8c h3{font-size:23px;margin:0 0 16px}\n.dcs-rc8c p{margin:0 0 16px}.dcs-rc8c figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc8c img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc8c .rc8c-feature,.dcs-rc8c .rc8c-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc8c .rc8c-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc8c .rc8c-intro h2,.dcs-rc8c .rc8c-intro p{color:#fff!important}\n.dcs-rc8c .rc8c-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc8c .rc8c-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc8c ul{padding-left:22px;margin:0 0 16px}.dcs-rc8c li{margin-bottom:8px}\n.dcs-rc8c table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc8c th,.dcs-rc8c td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc8c th{background:#f3f5f7;color:#091725}.dcs-rc8c th[scope=row]{width:42%}\n.dcs-rc8c details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc8c summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc8c details p{margin:12px 0 0}\n.dcs-rc8c .rc8c-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc8c .rc8c-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc8c .rc8c-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc8c .rc8c-links a:last-child{background:#f0f3f6}.dcs-rc8c a:focus-visible,.dcs-rc8c summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc8c .rc8c-intro,.dcs-rc8c .rc8c-panel{padding:18px}.dcs-rc8c th,.dcs-rc8c td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-rc8c\"\u003e\n\u003cdiv class=\"rc8c-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc8c-label\"\u003eStellaLyra · 8-inch f\/8 Carbon-Fibre RC\u003c\/p\u003e\n\u003ch2\u003eGive smaller deep-sky targets more of the frame.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 8-inch carbon-fibre Ritchey–Chrétien combines a 200mm aperture and 1600mm focal length in a compact optical tube. It is a platform for a dedicated camera system, with a fixed primary mirror and manual rear focusing.\u003c\/p\u003e\n\u003cp\u003eChoose it when you want to move beyond wide-field framing and have a mounting, guiding and focusing plan that suits the longer focal length.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-mlrs-carbon-rc-ota.jpg?v=1789723229\" alt=\"StellaLyra 8-inch f\/8 M-LRS carbon-fibre Ritchey-Chretien optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8c-panel\"\u003e\n\u003ch3\u003eStart with the images you want to make.\u003c\/h3\u003e\n\u003cp\u003eA longer focal length gives a tighter field with the same camera. That can suit a smaller galaxy or compact nebula that occupies too little of a wide-field image, while larger subjects may need a mosaic.\u003c\/p\u003e\n\u003cp\u003ePut your camera and several intended targets into a field-of-view planner before choosing. Compare both framing and image scale with your existing system. A larger target on the sensor is useful only when the tracking, focus and atmospheric conditions support the detail you want to record.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-carbon-rc-detail-2.jpg?v=1789816176\" alt=\"Front aperture, secondary mirror and baffles of StellaLyra 8-inch carbon RC\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eRC optics with a fixed primary mirror.\u003c\/h3\u003e\n\u003cp\u003eThe Ritchey–Chrétien design uses hyperbolic primary and secondary mirrors to correct coma. Internal baffles help control stray light, and the primary remains fixed during focusing.\u003c\/p\u003e\n\u003cp\u003eComa correction is not a promise of a flat, fully corrected field across every camera sensor. Choose any reducer or flattener for the RC design and your camera, rather than carrying a Newtonian coma corrector over from a different telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-carbon-rc-detail-1.jpg?v=1789816164\" alt=\"StellaLyra 8-inch f\/8 carbon-fibre RC with upper and lower rails\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eCarbon construction in a compact tube.\u003c\/h3\u003e\n\u003cp\u003eThe published tube dimensions are 457mm long and 229mm in diameter, with a weight of 7.48kg including the supplied accessories. Upper and lower mounting rails provide attachment points.\u003c\/p\u003e\n\u003cp\u003eCheck the supplied rail format against your mount saddle before ordering. Add the camera, filters, guiding equipment and cables to your payload calculation, then assess the complete assembly for both balance and tracking performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eLeave room for the equipment behind the telescope.\u003c\/h3\u003e\n\u003cp\u003eThe optical tube is only part of the assembled length. Extension rings, camera adapters and filter hardware add equipment behind the rear cell, shifting the balance and reducing clearance around the mount.\u003c\/p\u003e\n\u003cp\u003eBalance with the actual imaging train fitted. Check saddle travel and movement near the tripod or pier, and route cables so they remain supported without restricting the mount. Carbon-fibre construction does not remove the need to recheck focus as conditions change.\u003c\/p\u003e\n\u003cdiv class=\"rc8c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-carbon-rc-detail-3.jpg?v=1789816188\" alt=\"Rear dual-speed focuser on StellaLyra 8-inch carbon RC\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eCoarse and fine control at the rear focuser.\u003c\/h3\u003e\n\u003cp\u003eA 2-inch dual-speed manual focuser provides the focus adjustment, with a 1.25-inch adapter supplied. Approach focus with short exposures, then refine it using a repeatable focus measurement.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while securing the connections and check the assembled load at different telescope orientations. If matching an autofocus motor, bracket or threaded adapter, ask us to confirm the current focuser revision and connections before ordering those accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8c-panel\"\u003e\n\u003ch3\u003eSet extension length and optical spacing separately.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm and one 50mm extension rings are included to position the focuser for different equipment arrangements. Use the combination your camera setup needs; all three are not automatically required.\u003c\/p\u003e\n\u003cp\u003eA reducer or flattener has its own specified distance to the sensor. Account for the camera’s sensor recess, adapters and any filter equipment, then check that the complete system reaches focus. Record the arrangement so you can reassemble it accurately after removing the camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan a first session around checking the system.\u003c\/h3\u003e\n\u003cp\u003eChoose a tracking and guiding arrangement suited to 1600mm imaging, and allow time for the telescope to settle towards outdoor conditions. Check collimation with a method appropriate to an RC.\u003c\/p\u003e\n\u003cp\u003eStart with short star-field exposures and inspect the centre and corners before committing to a long sequence. If the result is uneven, separate focus, tilt, alignment, spacing and tracking checks. Change one thing at a time and avoid adjusting an already well-aligned system without evidence of a problem.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the telescope\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-fibre RC tube with rear focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper and lower mounting rails\u003c\/td\u003e\n\u003ctd\u003eCamera, filter hardware and camera adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eAny RC-compatible reducer or flattener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eFinder, guiding equipment and power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder base and front dust cover\u003c\/td\u003e\n\u003ctd\u003eEyepieces and diagonal for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eRitchey–Chrétien \/ 200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1600mm \/ f\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube construction\u003c\/th\u003e\n\u003ctd\u003eCarbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocusing\u003c\/th\u003e\n\u003ctd\u003eFixed primary; 2-inch dual-speed manual focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube length \/ diameter\u003c\/th\u003e\n\u003ctd\u003e457mm \/ 229mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with included accessories\u003c\/th\u003e\n\u003ctd\u003e7.48kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore choosing the 8-inch RC\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this supplied with a finder or camera?\u003c\/summary\u003e\u003cp\u003eNo. The finder base is provided, but the finder and camera are separate purchases. Tell us what equipment you already own so the remaining components can be identified.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes a 2-inch focuser guarantee full-frame coverage?\u003c\/summary\u003e\u003cp\u003eNo. Camera coverage and star quality depend on the complete optical and mechanical arrangement. Check the sensor size, correction optics, connections and clear apertures together.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I compare with the 6-inch carbon RC?\u003c\/summary\u003e\u003cp\u003eCompare target framing with your camera, the total mounting load and the cost of the complete system. A smaller setup that tracks and focuses reliably can be a better fit than a larger tube that stretches the rest of the rig.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc8c-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8c-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eExplore the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%208-inch%20carbon%20RC\"\u003eCheck mount and camera compatibility\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192632696,"sku":null,"price":1099.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-mlrs-carbon-rc-ota.jpg?v=1789723229"},{"product_id":"stellalyra-8-f-8-m-lrs-ritchey-chretien-telescope-ota","title":"StellaLyra 8\" f\/8 M-LRS Ritchey-Chrétien Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc8m{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc8m *{box-sizing:border-box}.dcs-rc8m h2,.dcs-rc8m h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc8m h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc8m h3{font-size:23px;margin:0 0 16px}\n.dcs-rc8m p{margin:0 0 16px}.dcs-rc8m figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc8m img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc8m .rc8m-feature,.dcs-rc8m .rc8m-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc8m .rc8m-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc8m .rc8m-intro h2,.dcs-rc8m .rc8m-intro p{color:#fff!important}\n.dcs-rc8m .rc8m-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc8m .rc8m-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc8m ul{padding-left:22px;margin:0 0 16px}.dcs-rc8m li{margin-bottom:8px}\n.dcs-rc8m table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc8m th,.dcs-rc8m td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc8m th{background:#f3f5f7;color:#091725}.dcs-rc8m th[scope=row]{width:42%}\n.dcs-rc8m details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc8m summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc8m details p{margin:12px 0 0}\n.dcs-rc8m .rc8m-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc8m .rc8m-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc8m .rc8m-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc8m .rc8m-links a:last-child{background:#f0f3f6}.dcs-rc8m a:focus-visible,.dcs-rc8m summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc8m .rc8m-intro,.dcs-rc8m .rc8m-panel{padding:18px}.dcs-rc8m th,.dcs-rc8m td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-rc8m\"\u003e\n\u003cdiv class=\"rc8m-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc8m-label\"\u003eStellaLyra · 8-inch f\/8 M-LRS Metal RC\u003c\/p\u003e\n\u003ch2\u003eMove from wide fields to closer compositions.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 8-inch metal Ritchey–Chrétien pairs a 200mm aperture with a 1600mm focal length. Its folded optical design puts that focal length into a short tube, with a fixed primary mirror and a separate rear focuser.\u003c\/p\u003e\n\u003cp\u003eBuild around it when smaller deep-sky targets are your priority and you want to choose the camera, guiding and correction optics as a complete imaging system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-mlrs-rc-ota.jpg?v=1789723238\" alt=\"StellaLyra 8-inch f\/8 M-LRS metal Ritchey-Chretien optical tube\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8m-panel\"\u003e\n\u003ch3\u003eWhere the metal model fits in the range.\u003c\/h3\u003e\n\u003cp\u003eThis model has the same aperture and focal length as the 8-inch carbon-fibre RC. With the same camera and optical accessories, it therefore provides the same framing. The published weight with accessories is 8.5kg, compared with 7.48kg for the carbon version.\u003c\/p\u003e\n\u003cp\u003eCompare the complete system cost alongside handling and mounting requirements. The tube is one part of the investment: reliable tracking, suitable camera connections and a repeatable focusing routine all matter to the finished image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-metal-rc-detail-3.jpg?v=1789816664\" alt=\"Front aperture and lower mounting rail of StellaLyra 8-inch metal RC\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn RC design for imaging smaller targets.\u003c\/h3\u003e\n\u003cp\u003eHyperbolic primary and secondary mirrors form the coma-corrected Ritchey–Chrétien system. Internal baffles help control stray light.\u003c\/p\u003e\n\u003cp\u003eTest your intended galaxies and nebulae in a field-of-view planner with your actual sensor. Longer focal length can give a useful closer composition, while larger subjects may call for mosaics. Check image scale as well as framing: atmospheric seeing and mount performance influence how much detail the setup can record.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMatch any correction optics to the RC system.\u003c\/h3\u003e\n\u003cp\u003eComa correction does not guarantee a flat, sharp field over every sensor. Choose any reducer or flattener for the RC design and the camera you intend to use, checking sensor coverage and mechanical connections together.\u003c\/p\u003e\n\u003cp\u003eA Newtonian coma corrector is not an interchangeable solution. If you already have accessories, send us their exact model names before ordering adapters. A shared barrel size is only one part of compatibility.\u003c\/p\u003e\n\u003cdiv class=\"rc8m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-metal-rc-detail-2.jpg?v=1789816652\" alt=\"Rear dual-speed focuser on StellaLyra 8-inch metal RC\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eRefine focus while the primary remains fixed.\u003c\/h3\u003e\n\u003cp\u003eThe 2-inch dual-speed linear-bearing Crayford focuser provides coarse and fine manual control at the rear of the tube. Focusing moves the camera or eyepiece rather than the primary mirror.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while securing it, then check the assembly through different telescope orientations. Approach focus with short exposures and refine it using a consistent measurement. Recheck during the night as conditions change, and confirm motor and bracket compatibility separately if you plan autofocus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-metal-rc-detail-1.jpg?v=1789816639\" alt=\"StellaLyra 8-inch f\/8 metal RC showing upper and lower rails\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eBalance the finished rig, including its rear extension.\u003c\/h3\u003e\n\u003cp\u003eThe tube is 457mm long and 229mm in diameter, with upper and lower mounting rails supplied. Confirm the supplied rail format against your mount saddle when planning the system.\u003c\/p\u003e\n\u003cp\u003eYour camera, filter equipment and extension rings add length and weight behind the telescope. Fit those parts before balancing, then check saddle travel, pier or tripod clearance and cable movement. Include every accessory when assessing the mount load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8m-panel\"\u003e\n\u003ch3\u003eUse the extension rings to suit your camera.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm rings and one 50mm ring are supplied. Select the combination needed to place your camera within the usable focusing range; all three are not automatically required.\u003c\/p\u003e\n\u003cp\u003eA reducer or flattener has a separate specified sensor distance. Account for the camera’s sensor recess, filter hardware and adapters when setting that spacing. Keep a record of the final arrangement so removing the camera does not mean starting the setup process again.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eGive the first session to setup checks.\u003c\/h3\u003e\n\u003cp\u003eAllow time for the telescope to settle towards outdoor conditions, and check collimation with a method appropriate to an RC. Avoid adjusting a well-aligned system without evidence that it needs attention.\u003c\/p\u003e\n\u003cp\u003eTake short star-field exposures and inspect the centre and corners before committing to a long sequence. Work through focus, alignment, tilt, spacing and tracking one factor at a time if the stars are uneven. A compact tube still needs a tracking and guiding arrangement suited to its long focal length.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetal RC tube and fitted focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper and lower mounting rails\u003c\/td\u003e\n\u003ctd\u003eCamera, filters and camera adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eAny RC-compatible reducer or flattener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eFinder, guiding equipment and power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder base and front dust cover\u003c\/td\u003e\n\u003ctd\u003eEyepieces and diagonal for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eRitchey–Chrétien \/ 200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1600mm \/ f\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTube material\u003c\/th\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocusing\u003c\/th\u003e\n\u003ctd\u003eFixed primary; 2-inch dual-speed linear-bearing Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength \/ diameter\u003c\/th\u003e\n\u003ctd\u003e457mm \/ 229mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight with included accessories\u003c\/th\u003e\n\u003ctd\u003e8.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCommon buying questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include everything needed for imaging?\u003c\/summary\u003e\u003cp\u003eNo. The optical tube package needs a suitable mount, camera and connections, plus any guiding and correction optics required by your plan. Ask us to check the equipment you already own and identify what remains.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the finder included?\u003c\/summary\u003e\u003cp\u003eNo. A mounting base is supplied, but the finder is purchased separately. An optical finder is a pointing aid and does not provide tracking or autoguiding.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use an eyepiece?\u003c\/summary\u003e\u003cp\u003eYes, with suitable accessories and an appropriate focus arrangement. If visual observing is your main aim, compare the full mounting and accessory requirements with the other telescope types in the StellaLyra range.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc8m-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc8m-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%208-inch%20metal%20RC\"\u003eCheck your proposed setup\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192665464,"sku":null,"price":899.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f8-mlrs-rc-ota.jpg?v=1789723238"},{"product_id":"stellalyra-10-f-8-m-lrc-ritchey-chretien-carbon-truss-telescope-ota","title":"StellaLyra 10\" f\/8 M-LRC Ritchey-Chrétien Carbon Truss Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc10t{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc10t *{box-sizing:border-box}.dcs-rc10t h2,.dcs-rc10t h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc10t h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc10t h3{font-size:23px;margin:0 0 16px}\n.dcs-rc10t p{margin:0 0 16px}.dcs-rc10t figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc10t img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc10t .rc10t-feature,.dcs-rc10t .rc10t-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc10t .rc10t-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc10t .rc10t-intro h2,.dcs-rc10t .rc10t-intro p{color:#fff!important}\n.dcs-rc10t .rc10t-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc10t .rc10t-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc10t ul{padding-left:22px;margin:0 0 16px}.dcs-rc10t li{margin-bottom:8px}\n.dcs-rc10t table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc10t th,.dcs-rc10t td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc10t th{background:#f3f5f7;color:#091725}.dcs-rc10t th[scope=row]{width:42%}\n.dcs-rc10t details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc10t summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc10t details p{margin:12px 0 0}\n.dcs-rc10t .rc10t-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc10t .rc10t-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc10t .rc10t-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc10t .rc10t-links a:last-child{background:#f0f3f6}.dcs-rc10t a:focus-visible,.dcs-rc10t summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc10t .rc10t-intro,.dcs-rc10t .rc10t-panel{padding:18px}.dcs-rc10t th,.dcs-rc10t td{padding:9px 7px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection class=\"dcs-rc10t\"\u003e\n\u003cdiv class=\"rc10t-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc10t-label\"\u003eStellaLyra · 10-inch f\/8 M-LRC Carbon-Truss RC\u003c\/p\u003e\n\u003ch2\u003eBuild a dedicated rig for closer deep-sky imaging.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 10-inch carbon-truss Ritchey–Chrétien brings a 250mm aperture and 2000mm focal length to an open-frame telescope with a fixed primary mirror. It is a substantial imaging platform for projects that benefit from tighter framing.\u003c\/p\u003e\n\u003cp\u003eChoose it as part of a complete system: a suitable mount, camera, guiding arrangement and carefully assembled imaging train are central to making the most of the optical tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-mlrc-carbon-truss-rc-ota.jpg?v=1789723247\" alt=\"StellaLyra 10-inch f\/8 M-LRC carbon-truss Ritchey-Chretien optical tube\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10t-panel\"\u003e\n\u003ch3\u003eMake 2000mm a deliberate choice.\u003c\/h3\u003e\n\u003cp\u003eWith the same camera, a longer focal length covers a smaller area of sky. That can give smaller galaxies or compact nebulae more space in the frame, while larger subjects may need a mosaic.\u003c\/p\u003e\n\u003cp\u003eUse a field-of-view planner with your actual sensor and intended targets before selecting accessories. Consider camera pixel size and local seeing as well as framing. A tighter image scale also makes tracking and focus errors more apparent, so the quality of the complete setup matters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-truss-rc-detail-3.jpg?v=1789817032\" alt=\"Side view of StellaLyra 10-inch carbon-truss RC showing open frame and mounting rails\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn open carbon-truss structure.\u003c\/h3\u003e\n\u003cp\u003eCarbon-fibre truss members connect the optical assemblies, with Losmandy-style rails on the top and underside. The open frame provides airflow around the telescope.\u003c\/p\u003e\n\u003cp\u003ePlan storage and transport for exposed optical and mechanical parts, keeping the supplied covers in place when appropriate. Consider nearby lights and your observing environment when deciding whether additional light control is needed. Tube construction does not remove the need to check focus and alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-truss-rc-detail-1.jpg?v=1789817007\" alt=\"StellaLyra 10-inch f\/8 carbon-truss RC showing rear focuser and cooling fans\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eCooling before the imaging run.\u003c\/h3\u003e\n\u003cp\u003eThree built-in fans assist thermal equalisation. Allow the telescope time to approach outdoor conditions before judging the final star images.\u003c\/p\u003e\n\u003cp\u003eMake cooling part of the setup routine, alongside balancing and cable checks. Begin with short test exposures, refine focus, and inspect the field before committing to a long sequence. Recheck when conditions change rather than relying on the first focus position all night.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSupport the whole working rig.\u003c\/h3\u003e\n\u003cp\u003ePublished tube weight is 16kg. Add the camera, corrector or reducer, filters, guiding equipment and cables before assessing mount suitability. Check counterweight requirements and saddle compatibility as part of the same decision.\u003c\/p\u003e\n\u003cp\u003eThe rear imaging train extends beyond the telescope itself and shifts its balance. Assemble the actual equipment before balancing, then check clearance near the mount, tripod or pier. Plan how to support and secure the tube during fitting and removal, especially if it will be transported regularly.\u003c\/p\u003e\n\u003cdiv class=\"rc10t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-truss-rc-detail-2.jpg?v=1789817020\" alt=\"Rear assembly and dual-speed focuser of StellaLyra 10-inch carbon-truss RC\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eRear focusing with the primary held fixed.\u003c\/h3\u003e\n\u003cp\u003eThe rotatable 3.25-inch dual-speed linear-bearing Crayford focuser provides coarse and fine manual control. Focusing moves the camera position while the primary remains fixed.\u003c\/p\u003e\n\u003cp\u003eFit the camera with its weight supported and check that every connection is secure through the intended pointing range. The focuser diameter alone does not establish a safe payload or full-frame optical coverage. If you intend to automate focus, confirm the motor, bracket and coupling requirements before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10t-panel\"\u003e\n\u003ch3\u003eKeep mechanical extension and optical spacing separate.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm and one 50mm extension rings are supplied. Use the combination needed to bring your camera arrangement within the focusing range; installing every ring is not a universal starting point.\u003c\/p\u003e\n\u003cp\u003eAn added reducer or flattener has its own specified distance to the sensor. Include the camera’s sensor recess, adapters and filter equipment in that measurement. Then check that the complete system reaches focus, with useful adjustment remaining. Record the finished arrangement for repeatable reassembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eChoose correction optics for an RC.\u003c\/h3\u003e\n\u003cp\u003eThe Ritchey–Chrétien design corrects coma, but that does not guarantee a flat, sharp field across every sensor. Assess any reducer or flattener for this optical design, your camera and the required connections.\u003c\/p\u003e\n\u003cp\u003eA Newtonian coma corrector should not be transferred to an RC simply because it fits mechanically. Send us the exact camera and accessory models if you would like the proposed combination checked before ordering adapters.\u003c\/p\u003e\n\u003ch3\u003eEstablish alignment before chasing exposure time.\u003c\/h3\u003e\n\u003cp\u003eCheck collimation with a method appropriate to an RC and confirm the result on a star field. Inspect both the centre and corners before starting a long imaging sequence.\u003c\/p\u003e\n\u003cp\u003eIf the stars are uneven, separate focus, tracking, tilt, spacing and alignment checks. Change one factor at a time and keep notes. Avoid disturbing an already well-aligned system without evidence of a problem.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-truss RC optical assembly and focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop and bottom Losmandy-style rails\u003c\/td\u003e\n\u003ctd\u003eCamera, filters and camera adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThree cooling fans\u003c\/td\u003e\n\u003ctd\u003eSuitable power and control equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eAny RC-compatible reducer or flattener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch holder and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eEyepieces and diagonal for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder base and primary\/secondary dust covers\u003c\/td\u003e\n\u003ctd\u003eFinder and guiding equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eRitchey–Chrétien \/ 250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e2000mm \/ f\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStructure\u003c\/th\u003e\n\u003ctd\u003eOpen carbon-fibre truss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e3.25-inch dual-speed rotatable linear-bearing Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished length \/ outside diameter\u003c\/th\u003e\n\u003ctd\u003e617mm \/ 375mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e16kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a complete imaging package?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical tube assembly. The mount, camera, guiding and any correction optics need to be chosen separately. Budget for the complete setup rather than the telescope alone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the truss design make it maintenance-free?\u003c\/summary\u003e\u003cp\u003eNo. Cooling, focus, collimation and secure camera connections still need attention. Establish a repeatable setup routine, especially after transporting the telescope.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I choose this or the 8-inch RC?\u003c\/summary\u003e\u003cp\u003eCompare framing with your camera, total mounting load, handling and the complete-system budget. A larger tube is a useful step when the rest of the equipment and your intended projects support it.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc10t-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and can change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10t-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2010-inch%20truss%20RC\"\u003eDiscuss your imaging system\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192698232,"sku":null,"price":2995.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-mlrc-carbon-truss-rc-ota.jpg?v=1789723247"},{"product_id":"stellalyra-16-f-8-lightweight-m-lrc-ritchey-chretien-carbon-truss-telescope-ota","title":"StellaLyra 16\" f\/8 Lightweight M-LRC Ritchey-Chrétien Carbon Truss Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc16t{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc16t *{box-sizing:border-box}.dcs-rc16t h2,.dcs-rc16t h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc16t h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc16t h3{font-size:23px;margin:0 0 16px}\n.dcs-rc16t p{margin:0 0 16px}.dcs-rc16t figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc16t img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc16t .rc16t-feature,.dcs-rc16t .rc16t-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc16t .rc16t-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc16t .rc16t-intro h2,.dcs-rc16t .rc16t-intro p{color:#fff!important}\n.dcs-rc16t .rc16t-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc16t .rc16t-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc16t ul{padding-left:22px;margin:0 0 16px}.dcs-rc16t li{margin-bottom:8px}\n.dcs-rc16t table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc16t th,.dcs-rc16t td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc16t th{background:#f3f5f7;color:#091725}.dcs-rc16t th[scope=row]{width:42%}\n.dcs-rc16t details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc16t summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc16t details p{margin:12px 0 0}\n.dcs-rc16t .rc16t-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc16t .rc16t-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc16t .rc16t-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc16t .rc16t-links a:last-child{background:#f0f3f6}.dcs-rc16t a:focus-visible,.dcs-rc16t summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc16t .rc16t-intro,.dcs-rc16t .rc16t-panel{padding:18px}.dcs-rc16t th,.dcs-rc16t td{padding:9px 7px;font-size:14px}}\n.dcs-rc16t figcaption{padding:12px 16px;font-size:14px;line-height:1.5;color:#243445;background:#fff}\u003c\/style\u003e\n\u003csection class=\"dcs-rc16t\"\u003e\n\u003cdiv class=\"rc16t-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc16t-label\"\u003eStellaLyra · 16-inch f\/8 Lightweight M-LRC RC\u003c\/p\u003e\n\u003ch2\u003eBuild a dedicated imaging system around 406mm of aperture.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 16-inch lightweight carbon-truss Ritchey–Chrétien combines a 406mm aperture with a 3250mm focal length at f\/8. It is a substantial optical assembly for an experienced imager planning the mount, camera and observing environment as one system.\u003c\/p\u003e\n\u003cp\u003eChoose it around specific targets and a practical installation. Long focal length rewards accurate tracking, careful focus and a well-supported imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-f8-lightweight-rc-hero.jpg?v=1789826302\" alt=\"StellaLyra 16-inch f\/8 lightweight carbon-truss Ritchey-Chretien optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc16t-note\"\u003e\n\u003cstrong\u003eStandard equipment and photographs\u003c\/strong\u003e\u003cp\u003eThis listing includes the manual 3.25-inch focuser. A motorised focuser is a separate choice. Some photographs show a light shroud, which is not listed in the standard package; confirm any shroud requirements separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc16t-panel\"\u003e\n\u003ch3\u003eMatch the camera to the subjects you want to record.\u003c\/h3\u003e\n\u003cp\u003eAt the native focal length, a 23.5 × 15.7mm sensor covers approximately \u003cstrong\u003e24.9 × 16.6 arcminutes\u003c\/strong\u003e. That calculated field can suit smaller targets, while a large nebula may need several panels.\u003c\/p\u003e\n\u003cp\u003eUse your actual sensor dimensions in a field-of-view planner. Consider pixel size and the seeing at your site as well as framing. This geometric example does not guarantee corrected or fully illuminated coverage across a particular sensor.\u003c\/p\u003e\n\u003cp\u003eIncreasing image scale is useful when the complete system can preserve the detail. Review guiding, focus control and exposure strategy before choosing accessories solely around aperture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc16t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-f8-lightweight-rc-rear.jpg?v=1789826334\" alt=\"Rear of StellaLyra 16-inch lightweight RC with standard manual focuser; pictured shroud not listed in the standard package\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003cfigcaption\u003eStandard manual focuser shown. The pictured light shroud is not listed in the supplied package.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eLightweight version, substantial working load.\u003c\/h3\u003e\n\u003cp\u003eThe published weight is \u003cstrong\u003e31kg with the supplied focuser\u003c\/strong\u003e. Add the camera, filters, guiding equipment, adapters and other mounted accessories before assessing the complete payload.\u003c\/p\u003e\n\u003cp\u003eCheck mount saddle compatibility, counterweights and balance range. Plan how the assembly will be supported while it is fitted, adjusted or removed. A permanent installation can reduce repeated handling, but still needs access for maintenance and equipment changes.\u003c\/p\u003e\n\u003cp\u003eConfirm clearance with the rear train attached and cables routed through the intended pointing range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan protection and light control around the open frame.\u003c\/h3\u003e\n\u003cp\u003eThe carbon-fibre truss leaves the optical assemblies exposed to the observing environment. Plan storage and transport protection, keeping dust covers fitted when appropriate.\u003c\/p\u003e\n\u003cp\u003eAssess local lighting and dew conditions before selecting extra equipment. If a shroud is fitted, secure it so it cannot sag into the light path or obstruct moving parts. Keep cables away from the optical path and arrange them without loading the focuser.\u003c\/p\u003e\n\u003cdiv class=\"rc16t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-f8-lightweight-rc-shroud-front.jpg?v=1789826324\" alt=\"StellaLyra 16-inch lightweight RC with a light shroud illustrated; shroud not listed in the standard package\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003cfigcaption\u003eLight shroud illustrated for setup planning; it is not listed in the standard package.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn RC corrects coma, but camera matching still matters.\u003c\/h3\u003e\n\u003cp\u003eThe Ritchey–Chrétien design corrects coma. It does not establish a universally flat image plane or guarantee sharp corners across every sensor.\u003c\/p\u003e\n\u003cp\u003eChoose any reducer or flattener for the RC design, the camera and the required mechanical connections. Establish a baseline with test images across a star field before deciding that an additional optical element or alignment change is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc16t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-f8-lightweight-rc-standard-focuser.jpg?v=1789826314\" alt=\"Standard manual focuser and three cooling fans on StellaLyra 16-inch lightweight RC\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eManual fine focus and assisted cooling.\u003c\/h3\u003e\n\u003cp\u003eThe rotatable 3.25-inch dual-speed linear-bearing Crayford focuser works with a fixed primary. Three fans assist thermal equalisation.\u003c\/p\u003e\n\u003cp\u003eAllow the telescope to settle outdoors before assessing star shapes. Use that period to complete balance, cable and guiding checks, then refine focus with short exposures.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while making connections. If motorised focusing is planned, confirm the bracket, coupling or replacement-focuser requirements for the actual setup before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc16t-panel\"\u003e\n\u003ch3\u003eSeparate extension length from corrector spacing.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm and one 50mm extension rings are supplied. Select the combination that places the assembled imaging train within the telescope’s focusing range, with adjustment remaining.\u003c\/p\u003e\n\u003cp\u003eA reducer or flattener has its own required distance to the sensor. Count the camera sensor recess, filter equipment and adapters in that distance. Establish the optical spacing first, then confirm the complete system reaches focus.\u003c\/p\u003e\n\u003cp\u003eRecord each connection and the finished arrangement. This makes maintenance and later camera changes easier to assess without rebuilding the system by trial and error.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCommission the system before a long imaging campaign.\u003c\/h3\u003e\n\u003cp\u003eBegin with short exposures of a star field and inspect both the centre and corners. If results are uneven, investigate focus, tracking, camera tilt, optical spacing and collimation separately.\u003c\/p\u003e\n\u003cp\u003eUse a method appropriate to an RC when checking alignment. Change one factor at a time and keep notes. Avoid disturbing an already sound alignment because of a tracking issue or a telescope that has not yet reached outdoor temperature.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-truss RC and manual focuser\u003c\/td\u003e\n\u003ctd\u003eSuitable mount and pier or tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop and bottom Losmandy-style rails; three fans\u003c\/td\u003e\n\u003ctd\u003eCamera, filters, guiding and power equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera adapters and any RC-compatible correction optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch holder and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eMotorised focusing equipment, if wanted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder base; primary and secondary dust covers\u003c\/td\u003e\n\u003ctd\u003eFinder and any additional light-control accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eRitchey–Chrétien \/ 406mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e3250mm \/ f\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMirror material \/ primary support\u003c\/th\u003e\n\u003ctd\u003eQuartz \/ 18-point support system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished length\u003c\/th\u003e\n\u003ctd\u003e1156mm, excluding the focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished weight\u003c\/th\u003e\n\u003ctd\u003e31kg, including the supplied focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the standard price include a motorised focuser?\u003c\/summary\u003e\u003cp\u003eNo. It includes the manual focuser described above. Establish the intended camera train and focusing requirements before selecting a motor kit or replacement focuser.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs a large sensor guaranteed to work without correction?\u003c\/summary\u003e\u003cp\u003eNo. Coma correction alone does not guarantee a flat field. Check the specific sensor, field-correction optics, connection apertures and spacing as one system.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I treat the quoted tube weight as the mount load?\u003c\/summary\u003e\u003cp\u003eThe published figure includes the supplied focuser, but your complete payload also includes the imaging equipment and other attached accessories. Mount suitability and handling need to be assessed with that working assembly in mind.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc16t-note\"\u003e\n\u003cstrong\u003eAwaiting stock\u003c\/strong\u003e\u003cp\u003eThis listing currently has no stock available. Contact Dark Clear Skies for a confirmed availability update and dispatch estimate before planning delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc16t-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2016-inch%20lightweight%20RC\"\u003eDiscuss your imaging system\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192829304,"sku":null,"price":7875.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-16-f8-lightweight-rc-hero.jpg?v=1789826302"},{"product_id":"stellalyra-10-f-8-m-lrs-ritchey-chretien-telescope-ota","title":"StellaLyra 10\" f\/8 M-LRS Ritchey-Chrétien Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc10m{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc10m *{box-sizing:border-box}.dcs-rc10m h2,.dcs-rc10m h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc10m h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc10m h3{font-size:23px;margin:0 0 16px}\n.dcs-rc10m p{margin:0 0 16px}.dcs-rc10m figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc10m img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc10m .rc10m-feature,.dcs-rc10m .rc10m-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc10m .rc10m-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc10m .rc10m-intro h2,.dcs-rc10m .rc10m-intro p{color:#fff!important}\n.dcs-rc10m .rc10m-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc10m .rc10m-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc10m ul{padding-left:22px;margin:0 0 16px}.dcs-rc10m li{margin-bottom:8px}\n.dcs-rc10m table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc10m th,.dcs-rc10m td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc10m th{background:#f3f5f7;color:#091725}.dcs-rc10m th[scope=row]{width:42%}\n.dcs-rc10m details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc10m summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc10m details p{margin:12px 0 0}\n.dcs-rc10m .rc10m-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc10m .rc10m-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc10m .rc10m-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc10m .rc10m-links a:last-child{background:#f0f3f6}.dcs-rc10m a:focus-visible,.dcs-rc10m summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc10m .rc10m-intro,.dcs-rc10m .rc10m-panel{padding:18px}.dcs-rc10m th,.dcs-rc10m td{padding:9px 7px;font-size:14px}}\n.dcs-rc10m figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-rc10m\"\u003e\n\u003cdiv class=\"rc10m-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc10m-label\"\u003eStellaLyra · 10-inch f\/8 M-LRS Ritchey–Chrétien\u003c\/p\u003e\n\u003ch2\u003eFrame smaller deep-sky targets at 2000mm.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 10-inch M-LRS combines a 250mm aperture with a 2000mm, f\/8 optical system in a solid metal tube. It is a purposeful choice for an experienced imager building a setup around smaller galaxies, compact nebulae and tighter compositions.\u003c\/p\u003e\n\u003cp\u003eChoose it when your mount, camera and observing conditions can support the longer focal length. A complete, well-matched imaging system is the route to useful extra detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-metal-rc-hero.jpg?v=1789817776\" alt=\"StellaLyra 10-inch f\/8 M-LRS metal-tube RC; pictured mount is not included\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003cfigcaption\u003eOptical tube assembly only. The pictured mount is not included.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10m-panel\"\u003e\n\u003ch3\u003eSee what the focal length means for your camera.\u003c\/h3\u003e\n\u003cp\u003eA longer focal length gives the same target more room on the sensor and narrows the surrounding field. That is useful for some projects, but it can turn a large nebula into a mosaic.\u003c\/p\u003e\n\u003cp\u003eAs a planning example, a 23.5 × 15.7mm sensor at the native focal length covers approximately \u003cstrong\u003e40 × 27 arcminutes\u003c\/strong\u003e. This is a geometric field-of-view estimate, not a claim that every part of that sensor will be fully corrected or illuminated.\u003c\/p\u003e\n\u003cp\u003eCheck your actual camera dimensions and target framing before buying. Pixel size and local seeing also matter: a very fine image scale makes tracking and focus errors easier to see without necessarily recording more resolved detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-metal-rc-front.jpg?v=1789817800\" alt=\"Front of StellaLyra 10-inch metal-tube Ritchey-Chretien showing secondary support and internal baffles\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn RC optical system for a planned imaging train.\u003c\/h3\u003e\n\u003cp\u003eThe Ritchey–Chrétien design corrects coma, while the primary stays fixed during focusing. This provides a useful starting point for a dedicated camera setup.\u003c\/p\u003e\n\u003cp\u003eComa correction does not guarantee a flat image plane across every sensor. Select any flattener or reducer for the RC design, the intended camera and the required connections. A Newtonian coma corrector is not a substitute simply because its barrel fits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eChoose the mount for the whole working assembly.\u003c\/h3\u003e\n\u003cp\u003eThe published tube weight is \u003cstrong\u003e15.9kg\u003c\/strong\u003e. Add the camera, filters, guiding equipment, correction optics and attached accessories before assessing the load. Check counterweight needs and the complete system’s balance as well as the mount’s quoted payload.\u003c\/p\u003e\n\u003cp\u003eAt this focal length, accurate tracking matters throughout an exposure. Consider guiding arrangements, the stiffness of each connection and your likely exposure lengths when deciding whether an existing mount is suitable. Plan how to support the tube securely during fitting and removal.\u003c\/p\u003e\n\u003cdiv class=\"rc10m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-metal-rc-rear.jpg?v=1789817787\" alt=\"Rear and side of StellaLyra 10-inch metal-tube RC with focuser and cooling vents; mount not included\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003cfigcaption\u003eRear and side view. Mount shown for illustration and sold separately.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eBuild a repeatable setup around the solid tube.\u003c\/h3\u003e\n\u003cp\u003eUpper and lower Losmandy-style rails provide mounting interfaces, and the telescope includes a cooling-fan system.\u003c\/p\u003e\n\u003cp\u003eCheck saddle engagement before releasing the tube. Fit the complete imaging train before balancing, and make sure cables remain free throughout the intended pointing range. Leave clearance for the rear equipment near a tripod or pier.\u003c\/p\u003e\n\u003cp\u003eAllow cooling time before judging star shape. Use the interval for balance, cable and guiding checks, then take short test exposures before beginning a long sequence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-metal-rc-focuser.jpg?v=1789817813\" alt=\"Dual-speed rear focuser and cooling fans on StellaLyra 10-inch f\/8 M-LRS RC\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus and a secure camera connection.\u003c\/h3\u003e\n\u003cp\u003eThe rotatable 3.25-inch dual-speed linear-bearing Crayford focuser provides coarse and fine manual control.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while attaching it, secure every joint and check the train at different pointing angles. Keep cable weight off the focuser. If you intend to automate focus, establish the correct motor bracket and coupling for the supplied focuser before ordering.\u003c\/p\u003e\n\u003cp\u003eRecord a useful starting position, but recheck focus as conditions change. The apparent size of the focuser alone does not specify a safe camera payload or corrected sensor coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10m-panel\"\u003e\n\u003ch3\u003eGet extension and sensor spacing right.\u003c\/h3\u003e\n\u003cp\u003eThe supplied rings let you position the focuser to suit the assembled camera train. Use the combination that brings the system to focus with adjustment remaining, rather than fitting every ring automatically.\u003c\/p\u003e\n\u003cp\u003eA reducer or flattener introduces a separate requirement: its specified distance to the camera sensor. Count the sensor recess, adapters and filter equipment in that measurement. Establish those optical distances first, then confirm that the complete arrangement reaches focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCheck the field before committing to a night’s imaging.\u003c\/h3\u003e\n\u003cp\u003eInspect short exposures at the centre and corners. If star shapes differ across the image, investigate focus, tracking, camera tilt, spacing and collimation methodically.\u003c\/p\u003e\n\u003cp\u003eUse an alignment procedure appropriate to an RC, with a star-field check as the final assessment. Change one factor at a time and keep notes. This makes it easier to identify the cause of a problem and return to a known arrangement after transport or an accessory change.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetal-tube RC optical assembly and focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper and lower rails; cooling fans\u003c\/td\u003e\n\u003ctd\u003eCamera, filters, guiding and power equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera adapters and any RC-compatible correction optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch holder and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder base; primary and secondary dust covers\u003c\/td\u003e\n\u003ctd\u003eFinder and transport protection if needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions for installation\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube length\u003c\/th\u003e\n\u003ctd\u003e610mm, excluding the focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished outside diameter\u003c\/th\u003e\n\u003ctd\u003e297mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eAllow additional room for the rear imaging train, cables and access to the controls. Tube dimensions alone do not establish the clearance needed for a complete mounted system.\u003c\/p\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this ready to take photographs on its own?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical tube assembly. Budget for the mount, camera, adapters, guiding and any correction optics as a complete system. The mount in the photographs is not supplied.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill a larger camera need a flattener?\u003c\/summary\u003e\u003cp\u003eAssess the specific sensor and your expectations for the image corners. RC optics correct coma, but field curvature and mechanical alignment still matter. Confirm the proposed combination before buying correction optics or adapters.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I also use it visually?\u003c\/summary\u003e\u003cp\u003eWith suitable separately purchased accessories and a mount, visual observing is possible. Check the diagonal, eyepiece and extension arrangement reaches focus. Choose this telescope principally around the imaging work you intend to do.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc10m-note\"\u003e\n\u003cstrong\u003eAwaiting stock\u003c\/strong\u003e\u003cp\u003eThis model currently has no supplier stock allocated in our listing. Contact Dark Clear Skies for a confirmed availability update before planning delivery; no dispatch date is promised here.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10m-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2010-inch%20metal-tube%20RC\"\u003eDiscuss your imaging system\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192862072,"sku":null,"price":2199.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-metal-rc-hero.jpg?v=1789817776"},{"product_id":"stellalyra-10-f-8-m-lrc-d-ritchey-chretien-carbon-fibre-telescope-ota","title":"StellaLyra 10\" F\/8 M-LRC-D Ritchey-Chrétien Carbon Fibre Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc10c{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc10c *{box-sizing:border-box}.dcs-rc10c h2,.dcs-rc10c h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc10c h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc10c h3{font-size:23px;margin:0 0 16px}\n.dcs-rc10c p{margin:0 0 16px}.dcs-rc10c figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc10c img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc10c .rc10c-feature,.dcs-rc10c .rc10c-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc10c .rc10c-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc10c .rc10c-intro h2,.dcs-rc10c .rc10c-intro p{color:#fff!important}\n.dcs-rc10c .rc10c-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc10c .rc10c-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc10c ul{padding-left:22px;margin:0 0 16px}.dcs-rc10c li{margin-bottom:8px}\n.dcs-rc10c table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc10c th,.dcs-rc10c td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc10c th{background:#f3f5f7;color:#091725}.dcs-rc10c th[scope=row]{width:42%}\n.dcs-rc10c details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc10c summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc10c details p{margin:12px 0 0}\n.dcs-rc10c .rc10c-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc10c .rc10c-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc10c .rc10c-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc10c .rc10c-links a:last-child{background:#f0f3f6}.dcs-rc10c a:focus-visible,.dcs-rc10c summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc10c .rc10c-intro,.dcs-rc10c .rc10c-panel{padding:18px}.dcs-rc10c th,.dcs-rc10c td{padding:9px 7px;font-size:14px}}\n.dcs-rc10c figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-rc10c\"\u003e\n\u003cdiv class=\"rc10c-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc10c-label\"\u003eStellaLyra · 10-inch f\/8 M-LRC-D Carbon-Fibre RC\u003c\/p\u003e\n\u003ch2\u003eA solid carbon-fibre RC for detailed deep-sky imaging.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 10-inch M-LRC-D brings a 250mm aperture and 2000mm, f\/8 optical system to a solid carbon-fibre tube. It is built around the needs of an experienced imager choosing a complete setup for smaller galaxies, compact nebulae and other targets that suit a narrower field.\u003c\/p\u003e\n\u003cp\u003eIts appeal is the combination of a long-focus RC optical system and enclosed carbon-fibre construction. Plan the mount, guiding, camera and adapters alongside the telescope so the complete system supports the work you want to do.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-carbon-rc-hero.jpg?v=1789818042\" alt=\"StellaLyra 10-inch f\/8 M-LRC-D carbon-fibre RC optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10c-panel\"\u003e\n\u003ch3\u003eSee what the focal length means for your camera.\u003c\/h3\u003e\n\u003cp\u003eA longer focal length gives the same target more room on the sensor and narrows the surrounding field. That is useful for some projects, but it can turn a large nebula into a mosaic.\u003c\/p\u003e\n\u003cp\u003eAs a planning example, a 23.5 × 15.7mm sensor at the native focal length covers approximately \u003cstrong\u003e40 × 27 arcminutes\u003c\/strong\u003e. This is a geometric field-of-view estimate, not a claim that every part of that sensor will be fully corrected or illuminated.\u003c\/p\u003e\n\u003cp\u003eCheck your actual camera dimensions and target framing before buying. Pixel size and local seeing also matter: a very fine image scale makes tracking and focus errors easier to see without necessarily recording more resolved detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-carbon-rc-optics.jpg?v=1789818076\" alt=\"Front optical assembly of StellaLyra 10-inch carbon-fibre Ritchey-Chretien\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn RC optical system for a planned imaging train.\u003c\/h3\u003e\n\u003cp\u003eThe Ritchey–Chrétien design corrects coma, while the primary stays fixed during focusing. This provides a useful starting point for a dedicated camera setup.\u003c\/p\u003e\n\u003cp\u003eComa correction does not guarantee a flat image plane across every sensor. Select any flattener or reducer for the RC design, the intended camera and the required connections. A Newtonian coma corrector is not a substitute simply because its barrel fits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eChoose the mount for the whole working assembly.\u003c\/h3\u003e\n\u003cp\u003eThe published tube weight is \u003cstrong\u003e15.2kg\u003c\/strong\u003e. Add the camera, filters, guiding equipment, correction optics and attached accessories before assessing the load. Check counterweight needs and the complete system’s balance as well as the mount’s quoted payload.\u003c\/p\u003e\n\u003cp\u003eAt this focal length, accurate tracking matters throughout an exposure. Consider guiding arrangements, the stiffness of each connection and your likely exposure lengths when deciding whether an existing mount is suitable. Plan how to support the tube securely during fitting and removal.\u003c\/p\u003e\n\u003cdiv class=\"rc10c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-carbon-rc-rear.jpg?v=1789818053\" alt=\"Rear view of StellaLyra 10-inch carbon-fibre RC showing focuser and cooling fans\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eChoose the tube construction with the whole system in mind.\u003c\/h3\u003e\n\u003cp\u003eThe solid carbon-fibre tube carries upper and lower Losmandy-style rails, with a cooling-fan system at the rear.\u003c\/p\u003e\n\u003cp\u003eCarbon fibre does not change the framing associated with the native focal length, and it does not make the complete assembly immune to temperature changes. Mirrors, the focuser, adapters and camera still form part of the working system. Check saddle engagement, balance the assembled rig and keep cables free throughout its pointing range.\u003c\/p\u003e\n\u003cp\u003eAllow time for thermal equalisation before evaluating star shapes. Recheck focus as conditions change; a recorded focus position is a starting point rather than a guarantee for the rest of the night.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10c-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-carbon-rc-side.jpg?v=1789818065\" alt=\"StellaLyra 10-inch carbon-fibre RC with upper and lower mounting rails\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus and a secure camera connection.\u003c\/h3\u003e\n\u003cp\u003eThe rotatable 3.25-inch dual-speed linear-bearing Crayford focuser provides coarse and fine manual control.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while attaching it, secure every joint and check the train at different pointing angles. Keep cable weight off the focuser. If you intend to automate focus, establish the correct motor bracket and coupling for the supplied focuser before ordering.\u003c\/p\u003e\n\u003cp\u003eRecord a useful starting position, but recheck focus as conditions change. The apparent size of the focuser alone does not specify a safe camera payload or corrected sensor coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10c-panel\"\u003e\n\u003ch3\u003eGet extension and sensor spacing right.\u003c\/h3\u003e\n\u003cp\u003eThe supplied rings let you position the focuser to suit the assembled camera train. Use the combination that brings the system to focus with adjustment remaining, rather than fitting every ring automatically.\u003c\/p\u003e\n\u003cp\u003eA reducer or flattener introduces a separate requirement: its specified distance to the camera sensor. Count the sensor recess, adapters and filter equipment in that measurement. Establish those optical distances first, then confirm that the complete arrangement reaches focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCheck the field before committing to a night’s imaging.\u003c\/h3\u003e\n\u003cp\u003eInspect short exposures at the centre and corners. If star shapes differ across the image, investigate focus, tracking, camera tilt, spacing and collimation methodically.\u003c\/p\u003e\n\u003cp\u003eUse an alignment procedure appropriate to an RC, with a star-field check as the final assessment. Change one factor at a time and keep notes. This makes it easier to identify the cause of a problem and return to a known arrangement after transport or an accessory change.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-fibre RC optical assembly and focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper and lower rails; cooling fans\u003c\/td\u003e\n\u003ctd\u003eCamera, filters, guiding and power equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera adapters and any RC-compatible correction optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch holder and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder base; primary and secondary dust covers\u003c\/td\u003e\n\u003ctd\u003eFinder and transport protection if needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions for installation\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube length\u003c\/th\u003e\n\u003ctd\u003e610mm, excluding the focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished outside diameter\u003c\/th\u003e\n\u003ctd\u003e297mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eAllow additional room for the rear imaging train, cables and access to the controls. Tube dimensions alone do not establish the clearance needed for a complete mounted system.\u003c\/p\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this ready to take photographs on its own?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical tube assembly. Budget for the mount, camera, adapters, guiding and any correction optics as a complete system. The telescope is not supplied with a mount.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill a larger camera need a flattener?\u003c\/summary\u003e\u003cp\u003eAssess the specific sensor and your expectations for the image corners. RC optics correct coma, but field curvature and mechanical alignment still matter. Confirm the proposed combination before buying correction optics or adapters.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I also use it visually?\u003c\/summary\u003e\u003cp\u003eWith suitable separately purchased accessories and a mount, visual observing is possible. Check the diagonal, eyepiece and extension arrangement reaches focus. Choose this telescope principally around the imaging work you intend to do.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc10c-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc10c-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2010-inch%20carbon-fibre%20RC\"\u003eDiscuss your imaging system\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665192927608,"sku":null,"price":2399.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f8-carbon-rc-hero.jpg?v=1789818042"},{"product_id":"stellalyra-12-f-8-m-lrs-ritchey-chretien-telescope-ota","title":"StellaLyra 12\" f\/8 M-LRS Ritchey-Chrétien Telescope OTA","description":"\u003cstyle\u003e\n.dcs-rc12m{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-rc12m *{box-sizing:border-box}.dcs-rc12m h2,.dcs-rc12m h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-rc12m h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-rc12m h3{font-size:23px;margin:0 0 16px}\n.dcs-rc12m p{margin:0 0 16px}.dcs-rc12m figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-rc12m img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-rc12m .rc12m-feature,.dcs-rc12m .rc12m-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-rc12m .rc12m-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-rc12m .rc12m-intro h2,.dcs-rc12m .rc12m-intro p{color:#fff!important}\n.dcs-rc12m .rc12m-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-rc12m .rc12m-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-rc12m ul{padding-left:22px;margin:0 0 16px}.dcs-rc12m li{margin-bottom:8px}\n.dcs-rc12m table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-rc12m th,.dcs-rc12m td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-rc12m th{background:#f3f5f7;color:#091725}.dcs-rc12m th[scope=row]{width:42%}\n.dcs-rc12m details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-rc12m summary{cursor:pointer;font-weight:700;color:#091725}.dcs-rc12m details p{margin:12px 0 0}\n.dcs-rc12m .rc12m-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-rc12m .rc12m-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-rc12m .rc12m-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-rc12m .rc12m-links a:last-child{background:#f0f3f6}.dcs-rc12m a:focus-visible,.dcs-rc12m summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-rc12m .rc12m-intro,.dcs-rc12m .rc12m-panel{padding:18px}.dcs-rc12m th,.dcs-rc12m td{padding:9px 7px;font-size:14px}}\n.dcs-rc12m figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-rc12m\"\u003e\n\u003cdiv class=\"rc12m-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"rc12m-label\"\u003eStellaLyra · 12-inch f\/8 M-LRS Ritchey–Chrétien\u003c\/p\u003e\n\u003ch2\u003eA 300mm RC for a dedicated long-focus imaging rig.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 12-inch M-LRS combines a 300mm aperture with a 2400mm, f\/8 optical system in a solid metal tube. It is a substantial optical assembly for an experienced imager planning detailed work on targets that suit a narrow field.\u003c\/p\u003e\n\u003cp\u003eChoose it as part of a dedicated system with the mounting capacity, handling arrangements and camera equipment already considered. Its potential is best assessed against your actual targets and observing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f8-metal-rc-hero.jpg?v=1789818199\" alt=\"StellaLyra 12-inch f\/8 M-LRS metal-tube RC; pictured mount not included\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003cfigcaption\u003eOptical tube assembly only. The pictured mount is not included.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc12m-panel\"\u003e\n\u003ch3\u003eSee what the focal length means for your camera.\u003c\/h3\u003e\n\u003cp\u003eA longer focal length gives the same target more room on the sensor and narrows the surrounding field. That is useful for some projects, but it can turn a large nebula into a mosaic.\u003c\/p\u003e\n\u003cp\u003eAs a planning example, a 23.5 × 15.7mm sensor at the native focal length covers approximately \u003cstrong\u003e33.7 × 22.5 arcminutes\u003c\/strong\u003e. This is a geometric field-of-view estimate, not a claim that every part of that sensor will be fully corrected or illuminated.\u003c\/p\u003e\n\u003cp\u003eCheck your actual camera dimensions and target framing before buying. Pixel size and local seeing also matter: a very fine image scale makes tracking and focus errors easier to see without necessarily recording more resolved detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc12m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f8-metal-rc-optics.jpg?v=1789818222\" alt=\"Front of StellaLyra 12-inch Ritchey-Chretien showing secondary support and internal baffles\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn RC optical system for a planned imaging train.\u003c\/h3\u003e\n\u003cp\u003eThe Ritchey–Chrétien design corrects coma, while the primary stays fixed during focusing. This provides a useful starting point for a dedicated camera setup.\u003c\/p\u003e\n\u003cp\u003eComa correction does not guarantee a flat image plane across every sensor. Select any flattener or reducer for the RC design, the intended camera and the required connections. A Newtonian coma corrector is not a substitute simply because its barrel fits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eChoose the mount for the whole working assembly.\u003c\/h3\u003e\n\u003cp\u003eThe published tube weight is \u003cstrong\u003e24kg\u003c\/strong\u003e. Add the camera, filters, guiding equipment, correction optics and attached accessories before assessing the working load. Check saddle fit, counterweight requirements and the complete system’s balance as well as the mount’s payload specification.\u003c\/p\u003e\n\u003cp\u003eA larger tube changes the practicalities of installation as well as tracking. Decide how it will be supported and secured during fitting and removal, and whether a permanent installation would better suit your use. Do not assume an existing mount is suitable because it can physically carry the bare tube; consider the complete imaging load and intended exposure lengths.\u003c\/p\u003e\n\u003cdiv class=\"rc12m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f8-metal-rc-side.jpg?v=1789818212\" alt=\"Side view of StellaLyra 12-inch metal-tube RC showing tube rings and mounting rails; mount not included\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003cfigcaption\u003eSide view of the solid metal tube. The pictured mount is sold separately.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003ePlan the installation before the first clear night.\u003c\/h3\u003e\n\u003cp\u003eUpper and lower Losmandy-style rails provide mounting interfaces, and the telescope includes a cooling-fan system.\u003c\/p\u003e\n\u003cp\u003eCheck saddle engagement before releasing the tube. Fit the complete imaging train before balancing, and make sure cables remain free throughout the intended pointing range. Leave clearance for the rear equipment near a tripod or pier.\u003c\/p\u003e\n\u003cp\u003eAllow cooling time before judging star shape. Use the interval for balance, cable and guiding checks, then take short test exposures before beginning a long sequence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc12m-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f8-metal-rc-focuser.jpg?v=1789818233\" alt=\"Rear focuser and cooling-fan assembly on StellaLyra 12-inch f\/8 metal-tube RC\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus and a secure camera connection.\u003c\/h3\u003e\n\u003cp\u003eThe rotatable 3.25-inch dual-speed linear-bearing Crayford focuser provides coarse and fine manual control.\u003c\/p\u003e\n\u003cp\u003eSupport the camera while attaching it, secure every joint and check the train at different pointing angles. Keep cable weight off the focuser. If you intend to automate focus, establish the correct motor bracket and coupling for the supplied focuser before ordering.\u003c\/p\u003e\n\u003cp\u003eRecord a useful starting position, but recheck focus as conditions change. The apparent size of the focuser alone does not specify a safe camera payload or corrected sensor coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc12m-panel\"\u003e\n\u003ch3\u003eGet extension and sensor spacing right.\u003c\/h3\u003e\n\u003cp\u003eThe supplied rings let you position the focuser to suit the assembled camera train. Use the combination that brings the system to focus with adjustment remaining, rather than fitting every ring automatically.\u003c\/p\u003e\n\u003cp\u003eA reducer or flattener introduces a separate requirement: its specified distance to the camera sensor. Count the sensor recess, adapters and filter equipment in that measurement. Establish those optical distances first, then confirm that the complete arrangement reaches focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCheck the field before committing to a night’s imaging.\u003c\/h3\u003e\n\u003cp\u003eInspect short exposures at the centre and corners. If star shapes differ across the image, investigate focus, tracking, camera tilt, spacing and collimation methodically.\u003c\/p\u003e\n\u003cp\u003eUse an alignment procedure appropriate to an RC, with a star-field check as the final assessment. Change one factor at a time and keep notes. This makes it easier to identify the cause of a problem and return to a known arrangement after transport or an accessory change.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetal-tube RC optical assembly and focuser\u003c\/td\u003e\n\u003ctd\u003eTracking mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper and lower rails; cooling fans\u003c\/td\u003e\n\u003ctd\u003eCamera, filters, guiding and power equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera adapters and any RC-compatible correction optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch holder and 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder base; primary and secondary dust covers\u003c\/td\u003e\n\u003ctd\u003eFinder and transport protection if needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions for installation\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube length\u003c\/th\u003e\n\u003ctd\u003e864mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished outside diameter\u003c\/th\u003e\n\u003ctd\u003e361mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eAllow additional room for the rear imaging train, cables and access to the controls. Tube dimensions alone do not establish the clearance needed for a complete mounted system.\u003c\/p\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this ready to take photographs on its own?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical tube assembly. Budget for the mount, camera, adapters, guiding and any correction optics as a complete system. The mount in the photographs is not supplied.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill a larger camera need a flattener?\u003c\/summary\u003e\u003cp\u003eAssess the specific sensor and your expectations for the image corners. RC optics correct coma, but field curvature and mechanical alignment still matter. Confirm the proposed combination before buying correction optics or adapters.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I also use it visually?\u003c\/summary\u003e\u003cp\u003eWith suitable separately purchased accessories and a mount, visual observing is possible. Check the diagonal, eyepiece and extension arrangement reaches focus. Choose this telescope principally around the imaging work you intend to do.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"rc12m-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rc12m-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2012-inch%20metal-tube%20RC\"\u003eDiscuss your imaging system\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665193189752,"sku":null,"price":2999.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f8-metal-rc-hero.jpg?v=1789818199"},{"product_id":"stellalyra-4-5-f-12-cf-mini-classical-cassegrain-carbon-fibre-telescope-ota","title":"StellaLyra 4.5\" f\/12 CF Mini Classical Cassegrain Carbon Fibre Telescope OTA","description":"\u003cstyle\u003e\n.dcs-cc45{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-cc45 *{box-sizing:border-box}.dcs-cc45 h2,.dcs-cc45 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-cc45 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-cc45 h3{font-size:23px;margin:0 0 16px}\n.dcs-cc45 p{margin:0 0 16px}.dcs-cc45 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-cc45 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-cc45 .cc45-feature,.dcs-cc45 .cc45-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-cc45 .cc45-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-cc45 .cc45-intro h2,.dcs-cc45 .cc45-intro p{color:#fff!important}\n.dcs-cc45 .cc45-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-cc45 .cc45-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-cc45 ul{padding-left:22px;margin:0 0 16px}.dcs-cc45 li{margin-bottom:8px}\n.dcs-cc45 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-cc45 th,.dcs-cc45 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-cc45 th{background:#f3f5f7;color:#091725}.dcs-cc45 th[scope=row]{width:42%}\n.dcs-cc45 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-cc45 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-cc45 details p{margin:12px 0 0}\n.dcs-cc45 .cc45-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-cc45 .cc45-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-cc45 .cc45-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-cc45 .cc45-links a:last-child{background:#f0f3f6}.dcs-cc45 a:focus-visible,.dcs-cc45 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-cc45 .cc45-intro,.dcs-cc45 .cc45-panel{padding:18px}.dcs-cc45 th,.dcs-cc45 td{padding:9px 7px;font-size:14px}}\n.dcs-cc45 figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-cc45\"\u003e\n\u003cdiv class=\"cc45-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"cc45-label\"\u003eStellaLyra · 4.5-inch f\/12 Mini Classical Cassegrain\u003c\/p\u003e\n\u003ch2\u003eExplore lunar detail with a telescope that is easy to store.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra Mini Classical Cassegrain puts a 114mm aperture and 1368mm focal length into a compact carbon-fibre and aluminium optical tube. Its f\/12 design is a useful choice for lunar observing, planets and double stars when a small telescope fits your observing routine.\u003c\/p\u003e\n\u003cp\u003eIt is an optical tube assembly for building your own setup. Pair it with a steady mount and suitable accessories, then choose the magnification around the target and the night’s conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-f12-mini-cassegrain-hero.jpg?v=1789818655\" alt=\"StellaLyra 4.5-inch f\/12 Mini Classical Cassegrain carbon-fibre optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc45-panel\"\u003e\n\u003ch3\u003eA compact tube with a deliberate purpose.\u003c\/h3\u003e\n\u003cp\u003eFor an evening on the Moon, begin with a comfortable overview, then increase power to explore the changing shadows along the terminator. On a planet, a steady, sharply focused image usually reveals more than an unnecessarily large, shimmering one.\u003c\/p\u003e\n\u003cp\u003eThe Mini also offers a compact way to spend time on double stars, where careful focus and patient observing are rewarding. If your main aim is to sweep large areas of sky or photograph extensive nebulae, compare the framing offered by shorter-focal-length telescopes before deciding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-f12-mini-cassegrain-dovetail.jpg?v=1789818677\" alt=\"Underside of StellaLyra Mini Classical Cassegrain showing the Vixen-style mounting rail\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eSmall enough to plan around your everyday storage.\u003c\/h3\u003e\n\u003cp\u003ePublished tube dimensions are 300mm long and 132mm across, with a tube weight of 2.2kg. A Vixen-style mounting rail is fitted underneath.\u003c\/p\u003e\n\u003cp\u003eThose figures describe the telescope, rather than a complete observing kit. Allow space and carrying capacity for the mount, tripod, diagonal and eyepieces. Protect the tube and rear focuser during transport, and leave room for the accessories that will remain attached in storage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eGive high magnification a stable foundation.\u003c\/h3\u003e\n\u003cp\u003eA lightweight tube still benefits from a mount that settles quickly after focusing. Check the saddle fits the rail securely and assess the complete working load, including the diagonal or camera.\u003c\/p\u003e\n\u003cp\u003eRear accessories change the balance. Fit your actual observing equipment before balancing the setup, keeping the tube supported while making adjustments. Confirm that it can balance within the available rail travel and that the rear equipment clears the mount throughout the intended pointing range.\u003c\/p\u003e\n\u003cdiv class=\"cc45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-f12-mini-cassegrain-focuser.jpg?v=1789818665\" alt=\"Rear view of StellaLyra 4.5-inch Mini Cassegrain showing dual-speed Crayford focuser and finder base\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus without moving the primary mirror.\u003c\/h3\u003e\n\u003cp\u003eThe fixed primary works with a rotatable 2-inch dual-speed Crayford focuser. Coarse control brings the subject into view; fine adjustment helps you settle on the sharpest image.\u003c\/p\u003e\n\u003cp\u003eUse a light touch and give vibration time to settle before judging focus. When fitting a camera, support it while tightening the connection and keep cables from pulling on the focuser. If you want motorised focusing, confirm the bracket and coupling for the supplied focuser before choosing a motor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc45-panel\"\u003e\n\u003ch3\u003eChoose eyepieces by useful magnification.\u003c\/h3\u003e\n\u003cp\u003eMagnification is the telescope’s focal length divided by the eyepiece focal length. These examples give a practical starting point for planning a small eyepiece set:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece focal length\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApproximate magnification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e55×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003ctd\u003e114×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003ctd\u003e171×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eEyepieces are purchased separately. Start at lower power to locate and centre the target, then increase magnification only while the view remains useful. Atmospheric steadiness, altitude, cooling and alignment affect how much power a particular session supports.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc45-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-f12-mini-cassegrain-optics.jpg?v=1789818693\" alt=\"Front optical assembly and secondary support of StellaLyra 4.5-inch Mini Classical Cassegrain\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eLet the optics settle before chasing fine detail.\u003c\/h3\u003e\n\u003cp\u003eThe primary and secondary mirrors use BK7 glass. The front view shows the secondary assembly and its support vanes.\u003c\/p\u003e\n\u003cp\u003eAllow the telescope to approach outdoor conditions before judging its best performance. Check a well-centred star when assessing focus and alignment, and use a collimation method appropriate to a Classical Cassegrain if adjustment is actually needed. Avoid changing several adjustments at once or disturbing a sound alignment without evidence of a problem.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eA practical starting point for planetary imaging.\u003c\/h3\u003e\n\u003cp\u003eA small camera sensor gives a narrow field, so target acquisition matters. Align a separately purchased finder and practise placing the subject in the centre at the native focal length before adding amplification.\u003c\/p\u003e\n\u003cp\u003eFor lunar or planetary video, capture a short test sequence, inspect focus and exposure, and then refine the setup. Choose any Barlow around the camera’s pixel size and the seeing rather than automatically aiming for the highest focal ratio. Tracking helps keep the subject on a small sensor while you work.\u003c\/p\u003e\n\u003cp\u003eLong-exposure deep-sky imaging is a different demand. At f\/12, faint extended targets need a carefully planned exposure strategy and accurate tracking. Consider the complete imaging system and intended field of view before choosing this telescope primarily for that use.\u003c\/p\u003e\n\u003cdiv class=\"cc45-panel\"\u003e\n\u003ch3\u003ePlan the path from telescope to eyepiece or camera.\u003c\/h3\u003e\n\u003cp\u003eA diagonal and eyepiece take up a different optical path from a camera connected directly to the rear. Establish the actual accessory arrangement first, then check it can reach focus within the focuser’s travel.\u003c\/p\u003e\n\u003cp\u003eAny extension rings needed for your configuration are separate purchases; they are not listed as part of this Mini’s supplied package. Send Dark Clear Skies your proposed diagonal or camera model if you would like the connection and focusing arrangement checked before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMini Classical Cassegrain optical tube and focuser\u003c\/td\u003e\n\u003ctd\u003eCompatible mount and stable tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVixen-style rail and finder base\u003c\/td\u003e\n\u003ctd\u003eFinder or pointing aid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual observing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical tube assembly only\u003c\/td\u003e\n\u003ctd\u003eCamera, adapters and any required extension rings for imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eClassical Cassegrain \/ 114mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1368mm \/ f\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMain tube \/ mirror glass\u003c\/th\u003e\n\u003ctd\u003eCarbon fibre with aluminium components \/ BK7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed rotatable Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished length \/ outside diameter\u003c\/th\u003e\n\u003ctd\u003e300mm \/ 132mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e2.2kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMounting rail\u003c\/th\u003e\n\u003ctd\u003eVixen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a complete beginner telescope package?\u003c\/summary\u003e\u003cp\u003eNo. You need a suitable mount and observing accessories. It can suit someone who wants a compact telescope for the Moon, planets and double stars, provided those extra items are included in the plan and budget.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the finder base include a finderscope?\u003c\/summary\u003e\u003cp\u003eNo. The fitted base provides an attachment point. Choose a compatible finder separately and align it with the telescope before relying on it to locate small targets.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill an existing mount work?\u003c\/summary\u003e\u003cp\u003eCheck the saddle standard, the complete accessory load, balance range and stability at the magnification you intend to use. The bare tube’s low weight alone does not establish that a mount is a good match.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"cc45-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc45-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%204.5-inch%20Mini%20Classical%20Cassegrain\"\u003ePlan your observing setup\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665193222520,"sku":null,"price":299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-45-f12-mini-cassegrain-hero.jpg?v=1789818655"},{"product_id":"stellalyra-6-f-12-m-crf-classical-cassegrain-telescope-ota","title":"StellaLyra 6\" f\/12 M-CRF Classical Cassegrain Telescope OTA","description":"\u003cstyle\u003e\n.dcs-cc6{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-cc6 *{box-sizing:border-box}.dcs-cc6 h2,.dcs-cc6 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-cc6 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-cc6 h3{font-size:23px;margin:0 0 16px}\n.dcs-cc6 p{margin:0 0 16px}.dcs-cc6 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-cc6 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-cc6 .cc6-feature,.dcs-cc6 .cc6-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-cc6 .cc6-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-cc6 .cc6-intro h2,.dcs-cc6 .cc6-intro p{color:#fff!important}\n.dcs-cc6 .cc6-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-cc6 .cc6-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-cc6 ul{padding-left:22px;margin:0 0 16px}.dcs-cc6 li{margin-bottom:8px}\n.dcs-cc6 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-cc6 th,.dcs-cc6 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-cc6 th{background:#f3f5f7;color:#091725}.dcs-cc6 th[scope=row]{width:42%}\n.dcs-cc6 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-cc6 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-cc6 details p{margin:12px 0 0}\n.dcs-cc6 .cc6-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-cc6 .cc6-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-cc6 .cc6-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-cc6 .cc6-links a:last-child{background:#f0f3f6}.dcs-cc6 a:focus-visible,.dcs-cc6 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-cc6 .cc6-intro,.dcs-cc6 .cc6-panel{padding:18px}.dcs-cc6 th,.dcs-cc6 td{padding:9px 7px;font-size:14px}}\n.dcs-cc6 figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-cc6\"\u003e\n\u003cdiv class=\"cc6-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"cc6-label\"\u003eStellaLyra · 6-inch f\/12 M-CRF Classical Cassegrain\u003c\/p\u003e\n\u003ch2\u003eA closer look at the Moon, planets and double stars.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 6-inch Classical Cassegrain combines a 153mm aperture with an 1836mm focal length at f\/12. Its folded optical layout puts a long focal length into a relatively short tube, making it an appealing choice for observers who enjoy spending time on individual targets.\u003c\/p\u003e\n\u003cp\u003eBuild the observing kit around a steady mount, a suitable diagonal and a small selection of eyepieces. This is an optical tube assembly, with the freedom to choose those accessories for your own observing habits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f12-classical-cassegrain-hero.jpg?v=1789820052\" alt=\"StellaLyra 6-inch f\/12 M-CRF Classical Cassegrain optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc6-panel\"\u003e\n\u003ch3\u003eChoose it for the detail within the field.\u003c\/h3\u003e\n\u003cp\u003eOn the Moon, explore how changing illumination reveals crater walls, ridges and shadows near the terminator. For planets and double stars, concentrate on accurate focus and moments of steady air rather than increasing magnification as far as possible.\u003c\/p\u003e\n\u003cp\u003eThe long focal length makes moderate and higher powers easy to obtain with ordinary eyepiece focal lengths. It also narrows the field compared with a shorter-focal-length telescope using the same eyepiece. Think about the targets you enjoy: a whole wide star field and a close study of a lunar feature ask for different kinds of framing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f12-classical-cassegrain-optics.jpg?v=1789820064\" alt=\"Front of StellaLyra 6-inch Classical Cassegrain showing secondary support and internal baffles\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eGive the optical system time to settle.\u003c\/h3\u003e\n\u003cp\u003eThe open front shows the secondary support and internal baffling. Both mirrors are quartz, but the telescope still benefits from time to approach outdoor conditions before critical observing.\u003c\/p\u003e\n\u003cp\u003eJudge sharpness after cooling and careful focus, with the target well centred. If alignment needs attention, use a procedure appropriate to a Classical Cassegrain and confirm the result on a star. Make small, recorded adjustments so that you can identify what improved the image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan the mount and balance as part of the purchase.\u003c\/h3\u003e\n\u003cp\u003ePublished tube weight is 5.8kg, with a Vixen-style rail underneath. Add your diagonal, eyepiece or camera and any finder when assessing the complete working load.\u003c\/p\u003e\n\u003cp\u003eAt higher magnification, vibration after touching the focuser is particularly noticeable. Choose support that settles promptly, check the saddle fits securely and balance with your actual accessories attached. Equipment behind the tube changes the balance point, so confirm there is enough adjustment on the rail and clearance around the mount.\u003c\/p\u003e\n\u003cdiv class=\"cc6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f12-classical-cassegrain-focuser.jpg?v=1789820074\" alt=\"Dual-speed Crayford focuser and finder base on StellaLyra 6-inch Classical Cassegrain\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus with the primary mirror held fixed.\u003c\/h3\u003e\n\u003cp\u003eThe rotatable 2-inch dual-speed Crayford focuser moves the accessory position while the primary stays fixed. Coarse and fine controls help you approach focus and then refine it.\u003c\/p\u003e\n\u003cp\u003eSupport a heavy diagonal or camera while securing the connection. Check that cables do not pull on the focuser as the telescope moves, and allow any vibration to settle before judging the final adjustment. A motorised setup needs a compatible bracket and coupling; establish those details before choosing a motor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc6-panel\"\u003e\n\u003ch3\u003eA useful starting point for eyepiece choice.\u003c\/h3\u003e\n\u003cp\u003eDivide the telescope’s focal length by the eyepiece focal length to calculate magnification. For this telescope:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece focal length\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApproximate magnification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e73×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15mm\u003c\/td\u003e\n\u003ctd\u003e122×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003ctd\u003e184×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThese are calculated examples; eyepieces are purchased separately. Begin at lower power to find and centre a target, then increase magnification while the view remains sharp and useful. A higher number does not ensure more visible detail when the atmosphere is unsteady.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc6-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f12-classical-cassegrain-extensions.jpg?v=1789820085\" alt=\"Focuser extension rings supplied with StellaLyra 6-inch Classical Cassegrain\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003cfigcaption\u003eExtension rings allow the focuser position to be configured for the accessory train.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eThree extension rings, chosen to suit your setup.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm rings and one 50mm ring are supplied. They let you position the focuser to accommodate different accessory arrangements.\u003c\/p\u003e\n\u003cp\u003eA diagonal and eyepiece occupy a different optical path from a camera attached directly at the rear. Select the arrangement you intend to use, then fit the extension combination needed to reach focus with adjustment remaining. Installing every ring is not the starting point for every configuration.\u003c\/p\u003e\n\u003cp\u003eKeep a note of the combination that works for each setup. That makes a change between visual observing and imaging easier to repeat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMoving from visual observing to lunar or planetary imaging.\u003c\/h3\u003e\n\u003cp\u003eStart with the camera at the native focal length and practise acquiring the target on the sensor. An accurately aligned finder and steady tracking make a small field much easier to work with.\u003c\/p\u003e\n\u003cp\u003eUse short test captures to refine focus and exposure before recording a longer sequence. Choose any Barlow around the camera’s pixel size and the seeing; extra amplification increases the demands on tracking and focus and is not automatically an improvement.\u003c\/p\u003e\n\u003cp\u003eFor long-exposure deep-sky work, consider the narrow framing, f\/12 focal ratio and guiding requirements together. Compare the complete setup with other imaging designs if wide nebulae or a first deep-sky system are your main objective.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassical Cassegrain optical tube and focuser\u003c\/td\u003e\n\u003ctd\u003eCompatible mount and stable tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVixen-style rail and finder base\u003c\/td\u003e\n\u003ctd\u003eFinder or pointing aid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera and its required connection adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design \/ aperture\u003c\/th\u003e\n\u003ctd\u003eClassical Cassegrain \/ 153mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e1836mm \/ f\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMirror material\u003c\/th\u003e\n\u003ctd\u003eQuartz primary and secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003e2-inch dual-speed rotatable Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube length \/ diameter\u003c\/th\u003e\n\u003ctd\u003e437mm \/ 193mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e5.8kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it arrive as a complete observing package?\u003c\/summary\u003e\u003cp\u003eNo. The telescope needs a separately chosen mount, diagonal and eyepieces for a visual setup. The fitted finder base is an attachment point; a finderscope is not included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need all three extension rings?\u003c\/summary\u003e\u003cp\u003eThat depends on the actual diagonal, eyepiece or camera arrangement. Use the combination that places focus within the focuser’s travel. If you are unsure, send Dark Clear Skies the exact accessory models before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow should I compare it with the smaller Mini?\u003c\/summary\u003e\u003cp\u003eCompare the complete kit’s size, mounting load and intended targets. The \u003ca href=\"\/products\/stellalyra-4-5-f-12-cf-mini-classical-cassegrain-carbon-fibre-telescope-ota\"\u003e4.5-inch Mini Classical Cassegrain\u003c\/a\u003e offers a smaller alternative. Include the mount and accessories in your storage and transport plan for either model.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"cc6-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc6-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%206-inch%20Classical%20Cassegrain\"\u003ePlan your observing setup\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665193648504,"sku":null,"price":429.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-6-f12-classical-cassegrain-hero.jpg?v=1789820052"},{"product_id":"stellalyra-8-f-12-m-lrs-classical-cassegrain-telescope-ota","title":"StellaLyra 8\" f\/12 M-LRS Classical Cassegrain Telescope OTA","description":"\u003cstyle\u003e\n.dcs-cc8{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-cc8 *{box-sizing:border-box}.dcs-cc8 h2,.dcs-cc8 h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-cc8 h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-cc8 h3{font-size:23px;margin:0 0 16px}\n.dcs-cc8 p{margin:0 0 16px}.dcs-cc8 figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-cc8 img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-cc8 .cc8-feature,.dcs-cc8 .cc8-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-cc8 .cc8-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-cc8 .cc8-intro h2,.dcs-cc8 .cc8-intro p{color:#fff!important}\n.dcs-cc8 .cc8-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-cc8 .cc8-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-cc8 ul{padding-left:22px;margin:0 0 16px}.dcs-cc8 li{margin-bottom:8px}\n.dcs-cc8 table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-cc8 th,.dcs-cc8 td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-cc8 th{background:#f3f5f7;color:#091725}.dcs-cc8 th[scope=row]{width:42%}\n.dcs-cc8 details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-cc8 summary{cursor:pointer;font-weight:700;color:#091725}.dcs-cc8 details p{margin:12px 0 0}\n.dcs-cc8 .cc8-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-cc8 .cc8-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-cc8 .cc8-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-cc8 .cc8-links a:last-child{background:#f0f3f6}.dcs-cc8 a:focus-visible,.dcs-cc8 summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-cc8 .cc8-intro,.dcs-cc8 .cc8-panel{padding:18px}.dcs-cc8 th,.dcs-cc8 td{padding:9px 7px;font-size:14px}}\n.dcs-cc8 figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-cc8\"\u003e\n\u003cdiv class=\"cc8-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"cc8-label\"\u003eStellaLyra · 8-inch f\/12 M-LRS Classical Cassegrain\u003c\/p\u003e\n\u003ch2\u003eSettle in for a closer study of the night sky.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 8-inch Classical Cassegrain combines a published 200mm aperture with a 2436mm focal length and nominal f\/12 focal ratio. It suits observers who enjoy concentrating on lunar features, planets and double stars, with the option to build a camera setup for smaller targets.\u003c\/p\u003e\n\u003cp\u003eThis is an optical tube assembly. Choose the mount, diagonal, eyepieces or camera around the observing you want to do, and assess the complete working kit before deciding where it will live.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f12-classical-cassegrain-hero.jpg?v=1789824411\" alt=\"StellaLyra 8-inch f\/12 M-LRS Classical Cassegrain optical tube\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc8-panel\"\u003e\n\u003ch3\u003eLong focal length, purposeful framing.\u003c\/h3\u003e\n\u003cp\u003eWith a given eyepiece, a longer focal length produces higher magnification and a narrower view. That can be useful for exploring a small region of the Moon or studying a planet, but locating a target and keeping it centred become more demanding.\u003c\/p\u003e\n\u003cp\u003eThink about an observing session rather than a maximum magnification figure. Start with an overview, centre the subject, then increase power while the view remains sharp. On an unsteady night, backing off the magnification can make the observation more rewarding.\u003c\/p\u003e\n\u003cp\u003eIf sweeping wide star fields is your main interest, compare the field of view of other telescope designs before choosing. The complete eyepiece and telescope combination determines the framing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f12-classical-cassegrain-mounting.jpg?v=1789824423\" alt=\"Underside of StellaLyra 8-inch Classical Cassegrain showing Losmandy-style mounting plate\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eCheck the mounting interface first.\u003c\/h3\u003e\n\u003cp\u003eThe lower mounting plate is \u003cstrong\u003eLosmandy-style\u003c\/strong\u003e; the upper accessory rail is \u003cstrong\u003eVixen-style\u003c\/strong\u003e. Confirm your mount’s saddle accepts the lower plate before planning the rest of the setup.\u003c\/p\u003e\n\u003cp\u003eThe published tube weight is 8.2kg. Add the diagonal, eyepiece or camera, finder and any other attached equipment when assessing the load. A mount that remains steady during focusing is especially valuable at the magnifications this telescope can provide.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBalance the equipment you will actually use.\u003c\/h3\u003e\n\u003cp\u003eA diagonal and heavy eyepiece change the balance differently from a camera and its adapters. Fit the intended accessory train before balancing, supporting the telescope while adjusting its position.\u003c\/p\u003e\n\u003cp\u003eCheck that the assembly can balance within the available rail travel. Allow space behind the tube for the focuser, extensions and accessories, and check clearance around the mount throughout the intended pointing range. Include safe fitting and removal in your plan if the telescope will be transported regularly.\u003c\/p\u003e\n\u003cdiv class=\"cc8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f12-classical-cassegrain-focuser.jpg?v=1789824445\" alt=\"Dual-speed Crayford focuser and finder base on StellaLyra 8-inch Classical Cassegrain\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focusing with a stationary primary.\u003c\/h3\u003e\n\u003cp\u003eA rotatable 2-inch dual-speed Crayford focuser provides coarse and fine control while the primary mirror remains fixed.\u003c\/p\u003e\n\u003cp\u003eApproach focus slowly, let vibration settle and make the final adjustment on the target you are observing. Secure the diagonal or camera without relying on cable tension to hold anything in place. For motorised focusing, check the motor bracket and coupling against the supplied focuser before ordering additional equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc8-panel\"\u003e\n\u003ch3\u003eWhat your eyepieces will deliver.\u003c\/h3\u003e\n\u003cp\u003eMagnification is the telescope focal length divided by the eyepiece focal length. These examples help you plan a useful range:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece focal length\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApproximate magnification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e97×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15mm\u003c\/td\u003e\n\u003ctd\u003e162×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003ctd\u003e244×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eEyepieces are separate purchases. These figures are calculations, not a promise that a particular night will support the higher power. Atmospheric steadiness, target altitude, cooling and alignment all influence the useful magnification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc8-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f12-classical-cassegrain-rear.jpg?v=1789824434\" alt=\"Rear view of StellaLyra 8-inch Classical Cassegrain with upper accessory rail and focuser\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eConfigure the rear optical path for your accessories.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm extension rings and one 50mm ring are supplied. They allow the focuser position to be configured for different observing or camera arrangements.\u003c\/p\u003e\n\u003cp\u003eWork out the diagonal or camera connection first, then use the extension combination that brings focus within the focuser’s travel with some adjustment remaining. Fitting every ring is not a universal setup. Keep a record of the arrangement that works for each accessory combination.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePrepare for detail before increasing power.\u003c\/h3\u003e\n\u003cp\u003eAllow the telescope to approach outdoor conditions before assessing its best image. Centre a suitable star when checking focus and alignment, and use a collimation procedure appropriate to a Classical Cassegrain if adjustment is needed.\u003c\/p\u003e\n\u003cp\u003eInvestigate one cause at a time when the view is soft. Unsteady air, incomplete cooling, imperfect focus and misalignment call for different responses. Avoid changing collimation simply because a low-altitude target is shimmering.\u003c\/p\u003e\n\u003ch3\u003eAdding a lunar or planetary camera.\u003c\/h3\u003e\n\u003cp\u003eA small sensor can make target acquisition surprisingly demanding. Align a separately purchased finder and practise centring the subject at the native focal length before adding amplification. Tracking makes it easier to keep the target in view while refining focus and exposure.\u003c\/p\u003e\n\u003cp\u003eChoose any Barlow around the camera’s pixel size and the seeing. Capture short test sequences before committing to a longer run. For deep-sky imaging, consider the f\/12 focal ratio, narrow framing, exposure time and guiding requirements together; those needs differ from short lunar or planetary video captures.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassical Cassegrain optical tube and focuser\u003c\/td\u003e\n\u003ctd\u003eCompatible mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLower mounting plate, upper rail and finder base\u003c\/td\u003e\n\u003ctd\u003eFinder or pointing aid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera and its required adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design \/ published aperture\u003c\/th\u003e\n\u003ctd\u003eClassical Cassegrain \/ 200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ nominal ratio\u003c\/th\u003e\n\u003ctd\u003e2436mm \/ f\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMirror material\u003c\/th\u003e\n\u003ctd\u003eQuartz primary and secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSecondary obstruction, housing included\u003c\/th\u003e\n\u003ctd\u003e73.5mm, current supplier specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube length \/ outside diameter\u003c\/th\u003e\n\u003ctd\u003e536mm \/ 231mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e8.2kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWill it fit a Vixen-only mount saddle?\u003c\/summary\u003e\u003cp\u003eThe supplied lower plate is Losmandy-style, so do not assume it fits a Vixen-only saddle. Confirm a suitable mounting arrangement before buying. The Vixen-style rail on top is the accessory rail.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs a finder, diagonal or eyepiece included?\u003c\/summary\u003e\u003cp\u003eNo. The finder base and eyepiece adapter are provided, but the finder, diagonal and eyepieces are separate choices. Include them in the complete setup budget.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I compare it with the 6-inch model?\u003c\/summary\u003e\u003cp\u003eYes. Compare the full mounting load, storage space and intended targets. The \u003ca href=\"\/products\/stellalyra-6-f-12-m-crf-classical-cassegrain-telescope-ota\"\u003e6-inch Classical Cassegrain\u003c\/a\u003e offers a smaller option with different mounting requirements. Choose the complete system that fits your observing routine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"cc8-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc8-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%208-inch%20Classical%20Cassegrain\"\u003ePlan your observing setup\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665193681272,"sku":null,"price":879.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-8-f12-classical-cassegrain-hero.jpg?v=1789824411"},{"product_id":"stellalyra-10-f-12-m-lrc-classical-cassegrain-carbon-truss-telescope-ota","title":"StellaLyra 10\" f\/12 M-LRC Classical Cassegrain Carbon Truss Telescope OTA","description":"\u003cstyle\u003e\n.dcs-cc10t{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-cc10t *{box-sizing:border-box}.dcs-cc10t h2,.dcs-cc10t h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-cc10t h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-cc10t h3{font-size:23px;margin:0 0 16px}\n.dcs-cc10t p{margin:0 0 16px}.dcs-cc10t figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-cc10t img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-cc10t .cc10t-feature,.dcs-cc10t .cc10t-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-cc10t .cc10t-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-cc10t .cc10t-intro h2,.dcs-cc10t .cc10t-intro p{color:#fff!important}\n.dcs-cc10t .cc10t-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-cc10t .cc10t-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-cc10t ul{padding-left:22px;margin:0 0 16px}.dcs-cc10t li{margin-bottom:8px}\n.dcs-cc10t table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-cc10t th,.dcs-cc10t td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-cc10t th{background:#f3f5f7;color:#091725}.dcs-cc10t th[scope=row]{width:42%}\n.dcs-cc10t details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-cc10t summary{cursor:pointer;font-weight:700;color:#091725}.dcs-cc10t details p{margin:12px 0 0}\n.dcs-cc10t .cc10t-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-cc10t .cc10t-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-cc10t .cc10t-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-cc10t .cc10t-links a:last-child{background:#f0f3f6}.dcs-cc10t a:focus-visible,.dcs-cc10t summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-cc10t .cc10t-intro,.dcs-cc10t .cc10t-panel{padding:18px}.dcs-cc10t th,.dcs-cc10t td{padding:9px 7px;font-size:14px}}\n.dcs-cc10t figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-cc10t\"\u003e\n\u003cdiv class=\"cc10t-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"cc10t-label\"\u003eStellaLyra · 10-inch f\/12 M-LRC Classical Cassegrain\u003c\/p\u003e\n\u003ch2\u003eBuild a dedicated setup for close-up lunar and planetary work.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 10-inch carbon-truss Classical Cassegrain combines a 250mm aperture with a 3045mm focal length and nominal f\/12 focal ratio. It is a substantial optical tube for observers and imagers who want to concentrate on smaller targets and fine detail.\u003c\/p\u003e\n\u003cp\u003eChoose it as part of a complete system. A suitable mount, carefully selected rear accessories and a practical installation plan are central to enjoying a telescope of this size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f12-truss-cassegrain-hero.jpg?v=1789824691\" alt=\"StellaLyra 10-inch f\/12 carbon-truss Classical Cassegrain optical tube\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc10t-panel\"\u003e\n\u003ch3\u003eMake three metres of focal length a deliberate choice.\u003c\/h3\u003e\n\u003cp\u003eA long focal length gives a target more space on the same camera sensor and higher magnification with the same eyepiece. That is useful for a close study of lunar terrain, planets or double stars, while a larger subject may need a different framing strategy.\u003c\/p\u003e\n\u003cp\u003eStart with the targets you actually want to observe or record. For imaging, check their size against your camera’s field of view. For visual use, plan a useful range of eyepieces and the tracking needed to keep a subject comfortably in view.\u003c\/p\u003e\n\u003cp\u003eExtra image scale only helps when seeing, focus and tracking support it. On an unsteady night, a smaller, sharper image can reveal more than a highly magnified blur.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc10t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f12-truss-cassegrain-truss.jpg?v=1789824712\" alt=\"Side view of StellaLyra 10-inch Classical Cassegrain showing carbon-fibre truss and mounting rails\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn open carbon-truss structure.\u003c\/h3\u003e\n\u003cp\u003eThe carbon-fibre truss connects the optical assemblies, with Losmandy-style mounting rails above and below.\u003c\/p\u003e\n\u003cp\u003ePlan protection for the exposed structure during storage and transport. Assess nearby lights and your observing environment when deciding whether additional light control is needed. Any accessory fitted around the open frame must remain clear of the optical path and moving equipment.\u003c\/p\u003e\n\u003cp\u003eCarbon construction does not remove the need to check focus as conditions change. Allow the complete telescope to settle outdoors before judging its best performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan the working load and handling together.\u003c\/h3\u003e\n\u003cp\u003ePublished tube weight is \u003cstrong\u003e17.2kg\u003c\/strong\u003e. Add the diagonal, eyepiece or camera, guiding equipment and other attached accessories when assessing mount suitability.\u003c\/p\u003e\n\u003cp\u003eCheck saddle compatibility, counterweight requirements and balance range before installation. Decide how the telescope will be supported while it is secured or removed, and whether a permanent setup would better suit your routine than repeated transport.\u003c\/p\u003e\n\u003cp\u003eBalance with the actual rear equipment attached. Check that the focuser, accessories and cables remain clear of the mount, tripod or pier throughout the intended pointing range.\u003c\/p\u003e\n\u003cdiv class=\"cc10t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f12-truss-cassegrain-focuser.jpg?v=1789824722\" alt=\"Rear focuser on StellaLyra 10-inch f\/12 M-LRC Classical Cassegrain\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focusing with the primary held fixed.\u003c\/h3\u003e\n\u003cp\u003eThe 3.25-inch dual-speed linear-bearing Crayford focuser provides coarse and fine manual control while the primary mirror stays fixed.\u003c\/p\u003e\n\u003cp\u003eSupport the camera or diagonal during attachment, secure every connection and keep cable weight off the focuser. Assess the complete accessory train at different pointing angles. The focuser’s diameter alone does not specify an acceptable camera payload.\u003c\/p\u003e\n\u003cp\u003eIf you intend to automate focus, confirm the motor, bracket and coupling for the supplied focuser before buying. Record a useful starting focus position, then refine it on the target rather than assuming yesterday’s setting will be exact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc10t-panel\"\u003e\n\u003ch3\u003ePractical eyepiece examples.\u003c\/h3\u003e\n\u003cp\u003eMagnification is the telescope’s focal length divided by the eyepiece focal length. At the native focal length:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece focal length\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApproximate magnification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e102×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e152×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003ctd\u003e254×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eEyepieces are separate purchases. These are calculated examples, not guaranteed usable powers on every night. Begin at lower power, centre the target and increase magnification while the view continues to improve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc10t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f12-truss-cassegrain-rear.jpg?v=1789824702\" alt=\"Rear assembly of StellaLyra 10-inch carbon-truss Classical Cassegrain\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eConfigure the rear optical path.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm and one 50mm extension rings are supplied. Select the combination that positions the focuser appropriately for your diagonal or camera arrangement.\u003c\/p\u003e\n\u003cp\u003eInstalling every ring is not a universal setup. Assemble the intended accessories, establish where focus falls and leave useful focuser travel available. Keep notes of successful arrangements so a change between observing and imaging is repeatable.\u003c\/p\u003e\n\u003cp\u003eIf additional optical elements are fitted, check their own spacing and connection requirements separately from the telescope’s mechanical extension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePrepare the system before a long imaging run.\u003c\/h3\u003e\n\u003cp\u003ePractise acquiring a target at the native focal length before adding amplification. A small camera sensor can give a very narrow field, so an accurately aligned finder and steady tracking are valuable.\u003c\/p\u003e\n\u003cp\u003eUse short test captures to establish focus and exposure. Choose a Barlow around the camera’s pixel size and the seeing. For long-exposure work, assess guiding and the full image field before committing to a sequence.\u003c\/p\u003e\n\u003cp\u003eThe supplier quotes a 55mm illuminated field. Illumination is not a guarantee of a flat, fully corrected image across a large sensor, and adapters can restrict the usable field. Check actual corner performance and the complete optical train for your proposed camera.\u003c\/p\u003e\n\u003ch3\u003eAlignment and cooling still matter.\u003c\/h3\u003e\n\u003cp\u003eAllow time for thermal settling and assess a well-centred star before making alignment changes. Use a procedure appropriate to a Classical Cassegrain, and distinguish focus, seeing and tracking problems from collimation.\u003c\/p\u003e\n\u003cp\u003eMake one adjustment at a time and keep a record. Avoid disturbing an already sound alignment simply because a low-altitude target is shimmering or the telescope has just been brought outside.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-truss Classical Cassegrain and focuser\u003c\/td\u003e\n\u003ctd\u003eSuitable mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper and lower rails; finder base\u003c\/td\u003e\n\u003ctd\u003eFinder and any guiding equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera, connection adapters and any amplification optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDesign \/ aperture\u003c\/th\u003e\n\u003ctd\u003eClassical Cassegrain \/ 250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ nominal ratio\u003c\/th\u003e\n\u003ctd\u003e3045mm \/ f\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMirror material\u003c\/th\u003e\n\u003ctd\u003eQuartz primary and secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished length \/ end-ring diameter\u003c\/th\u003e\n\u003ctd\u003e690mm \/ 400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e17.2kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a complete observing or imaging kit?\u003c\/summary\u003e\u003cp\u003eNo. It is an optical tube assembly. Choose the mount, finder, diagonal and eyepieces or camera separately, and budget for the adapters and support equipment needed by your actual setup.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the truss make it an easy portable telescope?\u003c\/summary\u003e\u003cp\u003eAssess the size and total working weight against your own transport and installation arrangements. Plan secure support during fitting and removal, plus suitable protection for the open structure.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I compare it with the 8-inch model?\u003c\/summary\u003e\u003cp\u003eCompare target framing, mount requirements and the full kit’s handling. The \u003ca href=\"\/products\/stellalyra-8-f-12-m-lrs-classical-cassegrain-telescope-ota\"\u003e8-inch Classical Cassegrain\u003c\/a\u003e is a smaller option worth considering when storage and transport shape your observing routine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"cc10t-note\"\u003e\n\u003cstrong\u003eSupplier-stock availability\u003c\/strong\u003e\u003cp\u003eAvailability reflects supplier stock and may change. Contact Dark Clear Skies to confirm dispatch timing if you need the telescope for a particular date.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc10t-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2010-inch%20truss%20Classical%20Cassegrain\"\u003eDiscuss your observing system\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665193746808,"sku":null,"price":2799.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-10-f12-truss-cassegrain-hero.jpg?v=1789824691"},{"product_id":"stellalyra-12-f-12-m-lrc-classical-cassegrain-carbon-truss-telescope-ota","title":"StellaLyra 12\" f\/12 M-LRC Classical Cassegrain Carbon Truss Telescope OTA","description":"\u003cstyle\u003e\n.dcs-cc12t{max-width:1120px;margin:0 auto;color:#243445;font:inherit;line-height:1.7;text-align:left;overflow-wrap:anywhere}\n.dcs-cc12t *{box-sizing:border-box}.dcs-cc12t h2,.dcs-cc12t h3{color:#091725;line-height:1.25;letter-spacing:normal;text-align:left}\n.dcs-cc12t h2{font-size:clamp(25px,3vw,34px);margin:0 0 18px}.dcs-cc12t h3{font-size:23px;margin:0 0 16px}\n.dcs-cc12t p{margin:0 0 16px}.dcs-cc12t figure{margin:0;background:#fff;border:1px solid #e0e5e9;border-radius:12px;overflow:hidden}\n.dcs-cc12t img{display:block;width:100%;height:auto;max-width:600px;margin:auto;object-fit:contain}\n.dcs-cc12t .cc12t-feature,.dcs-cc12t .cc12t-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,40px);align-items:center;margin:0 0 38px}\n.dcs-cc12t .cc12t-intro{padding:24px;background:#091725;border-top:4px solid #c89524;border-radius:12px}\n.dcs-cc12t .cc12t-intro h2,.dcs-cc12t .cc12t-intro p{color:#fff!important}\n.dcs-cc12t .cc12t-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.dcs-cc12t .cc12t-panel{background:#f3f5f7;border-radius:12px;padding:24px;margin:0 0 32px}\n.dcs-cc12t ul{padding-left:22px;margin:0 0 16px}.dcs-cc12t li{margin-bottom:8px}\n.dcs-cc12t table{border-collapse:collapse;width:100%;table-layout:fixed;margin:16px 0 28px;font-size:15px}\n.dcs-cc12t th,.dcs-cc12t td{padding:10px 12px;border-bottom:1px solid #dce2e8;text-align:left;vertical-align:top;white-space:normal}\n.dcs-cc12t th{background:#f3f5f7;color:#091725}.dcs-cc12t th[scope=row]{width:42%}\n.dcs-cc12t details{border-bottom:1px solid #dce2e8;padding:16px 0}.dcs-cc12t summary{cursor:pointer;font-weight:700;color:#091725}.dcs-cc12t details p{margin:12px 0 0}\n.dcs-cc12t .cc12t-note{border-left:3px solid #c89524;padding:14px 18px;background:#fff8e8;margin:28px 0}\n.dcs-cc12t .cc12t-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.dcs-cc12t .cc12t-links a{padding:12px 18px;border-radius:6px;background:#c89524;color:#091725!important;font-weight:700;text-decoration:none!important;min-height:44px}\n.dcs-cc12t .cc12t-links a:last-child{background:#f0f3f6}.dcs-cc12t a:focus-visible,.dcs-cc12t summary:focus-visible{outline:3px solid #2874aa;outline-offset:4px}\n@media(max-width:600px){.dcs-cc12t .cc12t-intro,.dcs-cc12t .cc12t-panel{padding:18px}.dcs-cc12t th,.dcs-cc12t td{padding:9px 7px;font-size:14px}}\n.dcs-cc12t figcaption{padding:12px 16px;color:#243445;background:#fff;font-size:14px;line-height:1.5}\u003c\/style\u003e\n\u003csection class=\"dcs-cc12t\"\u003e\n\u003cdiv class=\"cc12t-intro\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"cc12t-label\"\u003eStellaLyra · 12-inch f\/12 M-LRC Classical Cassegrain\u003c\/p\u003e\n\u003ch2\u003eA 304mm Cassegrain for detailed lunar and planetary work.\u003c\/h2\u003e\n\u003cp\u003eThe StellaLyra 12-inch carbon-truss Classical Cassegrain combines a 304mm aperture with a 3648mm focal length at f\/12. It is a substantial optical assembly for a dedicated observing or imaging system, particularly when your subjects benefit from a close view.\u003c\/p\u003e\n\u003cp\u003ePlan the telescope, mount and rear accessories together. Its long focal length and physical size make installation, target acquisition and tracking important parts of the buying decision.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f12-truss-cassegrain-hero.jpg?v=1789825795\" alt=\"StellaLyra 12-inch f\/12 carbon-truss Classical Cassegrain optical tube\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc12t-panel\"\u003e\n\u003ch3\u003eCheck the framing before choosing the camera.\u003c\/h3\u003e\n\u003cp\u003eAt this focal length, even a familiar camera can show a surprisingly small part of the sky. As a calculated example, a 23.5 × 15.7mm sensor covers approximately \u003cstrong\u003e22.1 × 14.8 arcminutes\u003c\/strong\u003e at the native focal length. Covering the whole lunar disc would require more than one frame in that example.\u003c\/p\u003e\n\u003cp\u003eThis is a geometric field-of-view estimate, not a promise of corrected or fully illuminated coverage. Use your actual sensor dimensions and intended targets when planning a setup. For planets or small lunar regions, tight framing can be useful; larger subjects may call for a mosaic or a different optical arrangement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc12t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f12-truss-cassegrain-rear.jpg?v=1789825807\" alt=\"Rear and side view of StellaLyra 12-inch carbon-truss Classical Cassegrain\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eBuild the installation around the complete load.\u003c\/h3\u003e\n\u003cp\u003eThe published tube weight is \u003cstrong\u003e24kg\u003c\/strong\u003e. Upper and lower Losmandy-style rails provide mounting interfaces.\u003c\/p\u003e\n\u003cp\u003eInclude the camera or diagonal, eyepieces, guiding equipment, adapters and other attached accessories when assessing the working load. Check the mount saddle, counterweight requirements and balance range as part of the same decision.\u003c\/p\u003e\n\u003cp\u003ePlan how the telescope will be supported while being fitted or removed. A permanent installation may suit your routine better than repeated transport, but either approach needs enough space to handle the complete assembly securely.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eLeave room for the rear equipment.\u003c\/h3\u003e\n\u003cp\u003eThe focuser, extensions and camera or diagonal project behind the optical assembly. Establish the actual configuration before checking clearance around a tripod, pier or observatory structure.\u003c\/p\u003e\n\u003cp\u003eBalance with the intended equipment attached, then check the pointing range and cable routing. Avoid letting a cable become tight as the telescope moves, and keep connectors accessible for changes made in the dark.\u003c\/p\u003e\n\u003cdiv class=\"cc12t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f12-truss-cassegrain-optics.jpg?v=1789825829\" alt=\"Front optical assembly and carbon-fibre truss of StellaLyra 12-inch Classical Cassegrain\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eAn open structure needs a practical storage plan.\u003c\/h3\u003e\n\u003cp\u003eCarbon-fibre truss members connect the optical assemblies. The primary and secondary mirrors are quartz.\u003c\/p\u003e\n\u003cp\u003eProtect exposed parts during storage and transport, and assess nearby lighting when deciding whether additional light control is needed. Anything fitted around the truss must remain clear of the optical path and moving equipment.\u003c\/p\u003e\n\u003cp\u003eAllow the telescope time to approach outdoor conditions before evaluating fine detail. Tube construction does not remove the need to check focus, cooling and alignment during a demanding session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc12t-panel\"\u003e\n\u003ch3\u003eUseful eyepiece magnifications.\u003c\/h3\u003e\n\u003cp\u003eDivide the telescope’s focal length by the eyepiece focal length to calculate magnification. Three examples at the native focal length are:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eEyepiece focal length\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApproximate magnification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e122×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e182×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003ctd\u003e304×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eEyepieces are separate purchases. These figures help plan a set; they do not establish the useful upper power on a particular night. Start lower, centre the subject and increase magnification only while the image remains sharp and informative.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc12t-feature\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f12-truss-cassegrain-focuser.jpg?v=1789825818\" alt=\"Rear focuser assembly of StellaLyra 12-inch f\/12 M-LRC Classical Cassegrain\" width=\"600\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003ch3\u003eFine focus with the primary mirror held stationary.\u003c\/h3\u003e\n\u003cp\u003eThe 3.25-inch dual-speed linear-bearing Crayford focuser provides coarse and fine adjustment while the primary stays fixed.\u003c\/p\u003e\n\u003cp\u003eSupport a camera or diagonal while attaching it and check each connection before releasing its weight. Keep cable loads off the focuser and assess the complete train at the pointing angles you expect to use.\u003c\/p\u003e\n\u003cp\u003eFor motorised focus, confirm the motor bracket and coupling against the supplied focuser. Focuser diameter alone does not define a safe camera payload, and a saved focus position remains a starting point rather than a guarantee for every session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSelect extensions around the actual accessory train.\u003c\/h3\u003e\n\u003cp\u003eTwo 25mm and one 50mm extension rings are supplied. Use the combination that positions the focuser appropriately for the diagonal or camera, with useful adjustment remaining.\u003c\/p\u003e\n\u003cp\u003eA visual arrangement and a directly attached camera occupy different optical paths. Establish those connections first rather than automatically installing all three rings. If extra optical elements are introduced, check their spacing requirements separately and record the finished arrangement for repeatable setup.\u003c\/p\u003e\n\u003ch3\u003eMake short tests part of the imaging routine.\u003c\/h3\u003e\n\u003cp\u003ePractise target acquisition at the native focal length before adding a Barlow. An aligned finder and steady tracking help keep a small subject on the sensor while you refine focus and exposure.\u003c\/p\u003e\n\u003cp\u003eInspect short test captures before committing to longer sequences. Choose amplification around the camera’s pixel size and the seeing. Investigate soft images methodically: focus, thermal settling, atmospheric steadiness, tracking and collimation each need a different response.\u003c\/p\u003e\n\u003cp\u003eThe quoted illuminated field is 55mm across. That describes illumination, not a guaranteed flat, sharp field on every sensor. Check actual corner performance and the clear apertures of the complete accessory train when planning a large-camera setup.\u003c\/p\u003e\n\u003ch3\u003eIncluded and purchased separately\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSupplied with the OTA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eChoose separately\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon-truss Classical Cassegrain and focuser\u003c\/td\u003e\n\u003ctd\u003eSuitable mount and tripod or pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper and lower rails; finder base\u003c\/td\u003e\n\u003ctd\u003eFinder and any guiding equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-inch to 1.25-inch adapter\u003c\/td\u003e\n\u003ctd\u003eDiagonal and eyepieces for visual use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo 25mm and one 50mm extension rings\u003c\/td\u003e\n\u003ctd\u003eCamera, connection adapters and any amplification optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical design \/ aperture\u003c\/th\u003e\n\u003ctd\u003eClassical Cassegrain \/ 304mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e3648mm \/ f\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished length without focuser\u003c\/th\u003e\n\u003ctd\u003e841mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAdditional length of supplied focuser\u003c\/th\u003e\n\u003ctd\u003e133mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished tube weight\u003c\/th\u003e\n\u003ctd\u003e24kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eBefore ordering\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the price include a mount or observing accessories?\u003c\/summary\u003e\u003cp\u003eNo. This is an optical tube assembly. Budget for a suitable mount, finder, diagonal and eyepieces or camera, plus the adapters required by the intended setup.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the open truss a reason to choose it for regular transport?\u003c\/summary\u003e\u003cp\u003eAssess the complete weight, size and installation process against your own circumstances. Plan protection for the exposed structure and support during fitting and removal before deciding how often you will move it.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I compare it with the 10-inch model?\u003c\/summary\u003e\u003cp\u003eCompare target framing, total mounting load and the space available for the working setup. The \u003ca href=\"\/products\/stellalyra-10-f-12-m-lrc-classical-cassegrain-carbon-truss-telescope-ota\"\u003e10-inch carbon-truss Classical Cassegrain\u003c\/a\u003e is a smaller alternative to include in that decision.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"cc12t-note\"\u003e\n\u003cstrong\u003eAwaiting stock\u003c\/strong\u003e\u003cp\u003eThis listing currently has no stock available. Contact Dark Clear Skies for a confirmed availability update and dispatch estimate before planning delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc12t-links\"\u003e\n\u003ca href=\"\/pages\/stellalyra\"\u003eCompare the StellaLyra range\u003c\/a\u003e\u003ca href=\"mailto:contact@darkclearskies.co.uk?subject=StellaLyra%2012-inch%20truss%20Classical%20Cassegrain\"\u003eDiscuss your observing system\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"StellaLyra","offers":[{"title":"Default Title","offer_id":55665193812344,"sku":null,"price":3299.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/stellalyra-12-f12-truss-cassegrain-hero.jpg?v=1789825795"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/collections\/download_45459b41-b616-41d9-9882-e8ec30b3bf2a.png?v=1775217559","url":"https:\/\/www.darkclearskies.co.uk\/collections\/stellalyra-premium-telescopes-gso-dobsonians-imaging-otas.oembed?page=2","provider":"Dark Clear Skies ","version":"1.0","type":"link"}