{"product_id":"celestron-edgehd-1400-ota-cge","title":"Celestron EdgeHD 14\" Optical Tube Assembly CGE Dovetail","description":"\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/77dLKd5g2_M?si=oeXGZCIBaeETo80u\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\n\n\u003ch2\u003e\u003cstrong\u003eCelestron EdgeHD 14\" Optical Tube Assembly (CGE Dovetail)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eModel: 91060-XLT-CGL\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSee the Universe in True High Definition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCelestron EdgeHD 14\" Optical Tube Assembly\u003c\/strong\u003e represents the pinnacle of Schmidt-Cassegrain optical performance. Designed as a \u003cstrong\u003etrue astrograph\u003c\/strong\u003e, EdgeHD delivers an \u003cstrong\u003eaplanatic, flat field optical system\u003c\/strong\u003e that produces pinpoint stars from the centre to the very edge of today’s largest imaging sensors and widest eyepieces.\u003c\/p\u003e\n\u003cp\u003eWhether you’re pursuing high-resolution planetary imaging, deep-sky astrophotography, or premium visual observing, the EdgeHD 14\" provides unmatched sharpness, contrast, and versatility at large aperture.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eEdgeHD Optical Advantage\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlike conventional Schmidt-Cassegrain telescopes, EdgeHD optics are engineered to correct \u003cstrong\u003eboth off-axis coma and field curvature\u003c\/strong\u003e, resulting in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExceptionally flat focal plane\u003c\/strong\u003e across the entire field of view\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTack-sharp stars edge-to-edge\u003c\/strong\u003e, even on large CCD and CMOS sensors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDramatically improved performance compared to standard SCTs and other “coma-free” designs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe focal plane is \u003cstrong\u003eover three times flatter\u003c\/strong\u003e than a standard Schmidt-Cassegrain, ensuring consistent focus and resolution across the frame for imaging and wide-field eyepieces.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eImproved Resolution \u0026amp; Light Throughput\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSuperior edge correction doesn’t just improve aesthetics—it increases usable resolution and limiting magnitude.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStarBright XLT coatings\u003c\/strong\u003e on all optical surfaces maximise light transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigher contrast and improved faint-object detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBrighter, more detailed images across visual and photographic wavelengths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eAdvanced Mechanical Design\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe EdgeHD 14\" OTA has been comprehensively redesigned to ensure its optics perform at their best every night.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eMirror Clutches\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFlexible tension clutches hold the primary mirror securely in place once focus is achieved, significantly reducing image shift during long-exposure imaging—without stressing the mirror assembly.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFiltered Tube Vents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRear-cell cooling vents release warm air from behind the primary mirror for faster thermal equilibrium. Each vent features an integrated \u003cstrong\u003e50-mesh filter\u003c\/strong\u003e, allowing heat to escape while keeping dust out.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFastar \u0026amp; Multi-Focal Versatility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe EdgeHD platform is one of the most versatile imaging systems available:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNative f\/11\u003c\/strong\u003e for high-resolution deep-sky and planetary imaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ef\/7\u003c\/strong\u003e with a dedicated EdgeHD focal reducer (optional) for wider fields\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-fast f\/2 Fastar imaging\u003c\/strong\u003e by removing the secondary mirror and using compatible third-party accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eIndividually Tested for Imaging Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eEvery EdgeHD optical tube undergoes a rigorous \u003cstrong\u003efinal acceptance test\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSurface quality inspection of each optical component\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCamera-based testing with an artificial star\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis ensures each telescope meets Celestron’s strict performance standards and delivers exceptional results in the field.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eIncluded Accessories\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e9×50 finderscope\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2\" mirror diagonal\u003c\/strong\u003e (with 1.25\" adapter)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e23mm Luminos 2\" wide-angle eyepiece\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eOptical Tube Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Design:\u003c\/strong\u003e EdgeHD Schmidt-Cassegrain\u003cbr\u003e\u003cstrong\u003eAperture:\u003c\/strong\u003e 356 mm (14\")\u003cbr\u003e\u003cstrong\u003eFocal Length:\u003c\/strong\u003e 3910 mm\u003cbr\u003e\u003cstrong\u003eFocal Ratio:\u003c\/strong\u003e f\/11\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEyepiece Supplied:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFocal Length: 23 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMagnification: 170×\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 9×50\u003cbr\u003e\u003cstrong\u003eStar Diagonal:\u003c\/strong\u003e 2\" (1.25\" adapter included)\u003cbr\u003e\u003cstrong\u003eOptical Tube Material:\u003c\/strong\u003e Aluminium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHighest Useful Magnification:\u003c\/strong\u003e 840×\u003cbr\u003e\u003cstrong\u003eLowest Useful Magnification:\u003c\/strong\u003e 51×\u003cbr\u003e\u003cstrong\u003eLimiting Stellar Magnitude:\u003c\/strong\u003e 15.3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRayleigh: 0.39 arc seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDawes: 0.33 arc seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLight Gathering Power:\u003c\/strong\u003e 2579× human eye\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecondary Obstruction:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDiameter: 114 mm (32%)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArea: 10%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Coatings:\u003c\/strong\u003e StarBright XLT\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Tube Length:\u003c\/strong\u003e 787 mm (31\")\u003cbr\u003e\u003cstrong\u003eOptical Tube Diameter:\u003c\/strong\u003e 400.5 mm (15.77\")\u003cbr\u003e\u003cstrong\u003eOptical Tube Weight:\u003c\/strong\u003e 46 lb (21 kg)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail:\u003c\/strong\u003e CGE dovetail bar\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eWho Is the EdgeHD 14\" For?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEdgeHD 14\" OTA\u003c\/strong\u003e is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAdvanced deep-sky astrophotographers using large sensors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-resolution planetary and lunar imagers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSerious visual observers seeking maximum aperture with premium correction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eObservatory and semi-permanent installations using CGE-class mounts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e⚠ \u003cstrong\u003eSolar Safety Warning\u003c\/strong\u003e\u003cbr\u003eNever look directly at the Sun without a properly fitted solar filter. Permanent eye damage or equipment damage may occur. Never leave the telescope unattended, especially around children.\u003c\/p\u003e\n","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55897333105014,"sku":"050234106092","price":10319.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/Celestron-EdgeHD-14-Optical-Tube-Assembly-CGE-Dovetail-91060-XLT-CGL-5.webp?v=1766158851","url":"https:\/\/welshastronomy.co.uk\/products\/celestron-edgehd-1400-ota-cge","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}