{"product_id":"celestron-edgehd-8-optical-tube-assembly-cge-dovetail-91030-xlt","title":"Celestron EdgeHD 8\" Optical Tube Assembly (CGE Dovetail) – 91030-XLT","description":"\u003cp data-lfile-container=\"66900926-4155-4bae-b969-f82a8f9b82d6\" data-pm-slice=\"1 1 []\"\u003eThe \u003cstrong\u003eCelestron EdgeHD 8\" Optical Tube Assembly\u003c\/strong\u003e (model 91030-XLT) is the most compact and affordable way into Celestron's flagship EdgeHD optics. Its 203mm aperture and 2032mm focal length fit in a 432mm tube weighing only 6.35 kg.\u003c\/p\u003e\n\u003cp\u003eEdgeHD corrects both coma and field curvature, so stars stay pinpoint to the edge of large camera sensors. At this weight, the EdgeHD 8 rides comfortably on mid-range equatorial mounts, which keeps the total cost of a serious imaging setup within reach.\u003c\/p\u003e\n\u003cp\u003eModern Telescopes is an authorized Celestron distributor in India. We import the EdgeHD 8 directly, supply it with a GST invoice, and can pair it with the right mount, camera and accessories.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e203mm (8\") aperture\u003c\/strong\u003e – gathers 843× more light than the human eye; limiting magnitude 14\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdgeHD aplanatic optics\u003c\/strong\u003e – coma-free, flat focal plane for sharp stars across large sensors and wide-field eyepieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree focal ratios\u003c\/strong\u003e – native f\/10, f\/7 with the optional 0.7x reducer, or ~f\/2 via Fastar with a third-party lens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.57 arcsecond resolution (Dawes)\u003c\/strong\u003e – crisp lunar, planetary and double-star detail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight at 6.35 kg\u003c\/strong\u003e – the most portable EdgeHD, ideal for field imaging and outreach\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStarBright XLT coatings\u003c\/strong\u003e – up to 97.4% transmission on the Schmidt corrector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMirror clutches\u003c\/strong\u003e – lock the primary mirror against image shift during long exposures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear-cell cooling vents\u003c\/strong\u003e – 50-mesh filtered vents release warm air and keep dust out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCGE dovetail bar\u003c\/strong\u003e – fits Celestron CGEM II, CGX and other mounts with CGE \/ Losmandy-style saddles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories included\u003c\/strong\u003e – 40mm Plössl 1.25\" eyepiece (51×), 1.25\" star diagonal, 9x50 finderscope\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEdgeHD optics: why a flat field matters\u003c\/h2\u003e\n\u003cp\u003eA standard Schmidt-Cassegrain only focuses stars sharply on a curved surface. Camera sensors are flat, so stars near the frame edges blur into comet shapes.\u003c\/p\u003e\n\u003cp\u003eEdgeHD adds a corrector lens assembly in the baffle tube. This makes the telescope \u003cstrong\u003eaplanatic\u003c\/strong\u003e – free of spherical aberration and coma – and flattens the focal plane. Celestron rates the EdgeHD field as more than three times flatter than a standard SCT.\u003c\/p\u003e\n\u003cp\u003eWhat this means in practice:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRound, sharp stars to the corners of DSLR, mirrorless and dedicated astronomy cameras\u003c\/li\u003e\n\u003cli\u003eBetter effective resolution and limiting magnitude than a standard 8\" SCT\u003c\/li\u003e\n\u003cli\u003eNo separate field flattener needed in the imaging train\u003c\/li\u003e\n\u003cli\u003eSharper views at the edge of wide-field eyepieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOne telescope, three imaging systems\u003c\/h2\u003e\n\u003cp\u003eCelestron designs the EdgeHD 8 to work at three focal ratios.\u003c\/p\u003e\n\u003ctable data-lfile-container=\"66900926-4155-4bae-b969-f82a8f9b82d6\" data-pm-slice=\"1 1 []\"\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eConfiguration\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eFocal ratio\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eFocal length\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eBest for\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eAdd-on needed\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eNative\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003ef\/10\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e2032mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003ePlanets, Moon, small galaxies, planetary nebulae, double stars\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eT-Adapter (EdgeHD 8) + camera\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eReduced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003ef\/7\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e~1422mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eGalaxies, clusters, wider deep-sky fields\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eCelestron 0.7x Reducer Lens for EdgeHD 800\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eFastar\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e~f\/2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e~400mm (approx.)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eFast wide-field nebula imaging with short exposures\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eThird-party Fastar-compatible lens (replaces secondary mirror)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-lfile-container=\"66900926-4155-4bae-b969-f82a8f9b82d6\" data-pm-slice=\"1 1 []\"\u003eA Barlow lens on the native f\/10 setup adds magnification for high-resolution lunar, planetary and solar imaging (with a certified solar filter).\u003c\/p\u003e\n\u003ch2\u003eBuilt for long-exposure imaging\u003c\/h2\u003e\n\u003cp\u003eThe EdgeHD tube is mechanically redesigned for astrophotography, not just visual use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMirror clutches:\u003c\/strong\u003e Flexible tension clutches hold the primary mirror after focusing without stressing it, keeping the target centred through long sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling vents:\u003c\/strong\u003e Rear-cell vents release warm air trapped behind the primary mirror so the optics cool faster. Each vent has a 50-mesh dust filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStarBright XLT coatings:\u003c\/strong\u003e Applied to every optical surface for maximum light throughput.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium tube:\u003c\/strong\u003e Light and rigid, easy to carry to dark-sky sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory acceptance test:\u003c\/strong\u003e Every EdgeHD is checked for optical surface quality, then imaged on an artificial star with a camera before shipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cp\u003eAll figures from Celestron's official product page (\u003ca rel=\"noopener noreferrer nofollow\" href=\"https:\/\/www.celestron.com\/products\/edgehd-8-optical-tube-assembly-cge-dovetail\" target=\"_blank\"\u003esource\u003c\/a\u003e).\u003c\/p\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eSpecification\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eValue\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eModel \/ Item no.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e91030-XLT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eOptical design\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eEdgeHD aplanatic Schmidt-Cassegrain\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eAperture\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e203.2mm (8\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eFocal length\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e2032mm (80\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eFocal ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003ef\/10 (f\/7 with reducer; ~f\/2 with Fastar)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eIncluded eyepiece\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e40mm Plössl 1.25\" – 51×\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eHighest useful magnification\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e480×\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eLowest useful magnification\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e29×\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eLimiting stellar magnitude\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e14\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eResolution (Rayleigh)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e0.69 arcsec\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eResolution (Dawes)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e0.57 arcsec\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eLight-gathering power\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e843× the human eye\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eSecondary obstruction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e64mm (2.5\") – 31% by diameter, 9.77% by area\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eOptical coatings\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eStarBright XLT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eFinderscope\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e9x50\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eStar diagonal\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e1.25\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eTube material\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eAluminium\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eTube length\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e432mm (17\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eTube diameter\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e238mm (9.37\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eTube weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e6.35 kg (14 lbs)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eDovetail\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eCGE dovetail bar\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eMax accessory load (Celestron guidance)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eUp to 9 kg (20 lbs) at 114mm (4.5\") from the corrector\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eManufacturer warranty\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e2 years (Celestron)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eIn the box and recommended add-ons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's in the box:\u003c\/strong\u003e EdgeHD 8\" optical tube with CGE dovetail bar, 40mm Plössl 1.25\" eyepiece, 1.25\" star diagonal, 9x50 finderscope.\u003c\/p\u003e\n\u003cp\u003eAt 6.35 kg, the tube suits mid-range equatorial mounts. Leave payload headroom for cameras, guiders and dew control when imaging.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eAdd-on\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eWhy you need it\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eCelestron CGEM II or CGX mount\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eGoTo equatorial mounts with ample payload margin for imaging\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eSoftware Bisque Paramount MyT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eObservatory-grade precision for permanent or remote setups\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eReducer Lens 0.7x – EdgeHD 800\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003ef\/7 for wider fields and faster exposures\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eT-Adapter (EdgeHD 8)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eCorrect back focus for DSLR and astronomy cameras\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003e2\" diagonal and wide-field 2\" eyepiece\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eWider visual fields than the included 1.25\" kit\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eAluminium Dew Shield with Cover Cap – 8\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eBlocks stray light and slows dew on the corrector\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eDew Heater Ring – 8\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eKeeps the corrector clear on humid Indian nights\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003ePadded Telescope Bag for 8\" Optical Tubes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eSafe transport to dark-sky sites and events\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWho the EdgeHD 8 is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirst serious astrophotography setup\u003c\/strong\u003e – EdgeHD optics on a mount most imagers can afford\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchools and science centres\u003c\/strong\u003e needing a light, easy-to-handle telescope for labs and outreach\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravelling observers\u003c\/strong\u003e who image from dark-sky sites away from city lights\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary and lunar imagers\u003c\/strong\u003e wanting sharp optics in a compact tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy buy from Modern Telescopes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAuthorized distributor of Celestron, PlaneWave, Software Bisque and other global brands in India\u003c\/li\u003e\n\u003cli\u003eDirect import with proper GST invoice and input credit for registered businesses\u003c\/li\u003e\n\u003cli\u003eComplete observatory solutions: telescope, mount, imaging camera and motorized dome, supplied and installed\u003c\/li\u003e\n\u003cli\u003eInstitutional procurement supported, including supply through GeM\u003c\/li\u003e\n\u003cli\u003ePan-India delivery, installation support and after-sales service from Pune, Maharashtra\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact:\u003c\/strong\u003e Modern Telescopes, MSR Queenstown, Chinchwad, Pune, Maharashtra 411033 · +91 85540 01525\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the price of the Celestron EdgeHD 8 in India?\u003c\/strong\u003e Prices move with exchange rates and import duties. Contact Modern Telescopes for a current quote with GST invoice, or request an institutional or GeM quotation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between EdgeHD 8 and a standard Celestron C8?\u003c\/strong\u003e Both have a 203mm aperture, but EdgeHD adds a corrector that removes coma and flattens the field. Stars stay sharp to the edge of large camera sensors, which a standard C8 cannot match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEdgeHD 8 vs EdgeHD 9.25 – which should I buy?\u003c\/strong\u003e The EdgeHD 8 is lighter (6.35 kg vs 9.53 kg) and runs on smaller mounts, keeping system cost down. The 9.25\" adds aperture (235mm) and finer resolution if your mount can carry it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the EdgeHD 8 come with a mount?\u003c\/strong\u003e No. This is the optical tube assembly with a CGE dovetail. Pair it with a mount such as the Celestron CGEM II or CGX.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it for visual observing?\u003c\/strong\u003e Yes. The included 40mm Plössl gives 51×, and the useful range is 29× to 480×.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat reducer works with the EdgeHD 8?\u003c\/strong\u003e The Celestron 0.7x Reducer Lens for EdgeHD 800 brings it to f\/7 at about 1422mm focal length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the EdgeHD 8 Fastar \/ HyperStar compatible?\u003c\/strong\u003e Yes. The secondary mirror can be replaced with a third-party Fastar-compatible lens for ultra-fast imaging near f\/2.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does the EdgeHD 8 weigh?\u003c\/strong\u003e The optical tube weighs 6.35 kg (14 lbs). It is 432mm long and 238mm in diameter.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44495030517821,"sku":null,"price":199000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/6595\/8205\/files\/91031-XLT_XLT_8_EdgeHD_1.webp?v=1794154894","url":"https:\/\/moderntelescopes.net\/products\/celestron-edgehd-8-optical-tube-assembly-cge-dovetail-91030-xlt","provider":"Modern Telescopes","version":"1.0","type":"link"}