{"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","url":"https:\/\/www.darkclearskies.co.uk\/products\/stellalyra-8-f-5-m-lrn-newtonian-reflector-with-2-dual-speed-focuser","provider":"Dark Clear Skies ","version":"1.0","type":"link"}