{"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","url":"https:\/\/www.darkclearskies.co.uk\/products\/stellalyra-8-f-4-m-lrn-d-carbon-fibre-imaging-newtonian-reflector-with-2-dual-speed-r-p-focuser","provider":"Dark Clear Skies ","version":"1.0","type":"link"}