{"product_id":"celestron-edgehd-9-25-optical-tube-assembly-cge-dovetail-91040-xlt","title":"Celestron EdgeHD 9.25\" Optical Tube Assembly (CGE Dovetail) – 91040-XLT","description":"\u003cp data-lfile-container=\"81d495e5-88e9-46ff-89d1-4475160c7fbf\" data-pm-slice=\"1 3 []\"\u003eThe \u003cstrong\u003eCelestron EdgeHD 9.25\" Optical Tube Assembly\u003c\/strong\u003e (model 91040-XLT) delivers Celestron's flagship aplanatic optics in a tube light enough to carry. Its 235mm aperture and 2350mm focal length sit in a 559mm tube weighing just 9.53 kg.\u003c\/p\u003e\n\u003cp\u003eEdgeHD corrects both coma and field curvature, so stars stay pinpoint to the edge of large camera sensors. The 9.25\" primary is also known for its slower mirror and sharp planetary performance. Many imagers see it as the best balance of aperture, image quality and portability in the EdgeHD range.\u003c\/p\u003e\n\u003cp\u003eModern Telescopes is an authorized Celestron distributor in India. We import the EdgeHD 9.25 directly, supply it with a GST invoice, and can match it with the right mount, camera and observatory dome.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e235mm (9.25\") aperture\u003c\/strong\u003e – gathers 1,127× more light than the human eye; limiting magnitude 14.4\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\u003eMultiple 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\u003e0.49 arcsecond resolution (Dawes)\u003c\/strong\u003e – fine planetary, lunar and double-star detail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable at 9.53 kg\u003c\/strong\u003e – easy to carry and mount for field imaging or star parties\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 CGX, CGEM II and other mounts with CGE-style saddles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories included\u003c\/strong\u003e – 23mm Luminos 2\" eyepiece (102×), 2\" mirror 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 edge stars turn into comet shapes or soft blobs.\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 SCT of the same aperture\u003c\/li\u003e\n\u003cli\u003eNo separate field flattener needed in the imaging train\u003c\/li\u003e\n\u003cli\u003eCrisper views at the edge of wide-angle 2\" eyepieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-lfile-container=\"81d495e5-88e9-46ff-89d1-4475160c7fbf\" data-pm-slice=\"1 4 []\"\u003eThe EdgeHD 9.25 changes role depending on what you attach.\u003c\/p\u003e\n\u003ctable\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\u003e2350mm\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\u003e48mm T-adapter + 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~1645mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eGalaxies, globular 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 925\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~470mm (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=\"81d495e5-88e9-46ff-89d1-4475160c7fbf\" data-pm-slice=\"1 1 []\"\u003eA Barlow lens on the native f\/10 setup adds image scale 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 imaging 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 reach ambient temperature 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 across the visual and photographic spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium tube:\u003c\/strong\u003e Lightweight and rigid, ideal for both permanent piers and portable setups.\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-925-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\u003e91040-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\u003e235mm (9.25\")\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\u003e2350mm (93\")\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\u003e23mm Luminos 2\" – 102×\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\u003e555×\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\u003e34×\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\u003e14.4\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\u003e0.59 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\u003e0.49 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\u003e1,127× 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\u003e85mm (3.35\") – 36% by diameter, 13% 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\u003e2\" mirror diagonal with 1.25\" adapter\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\u003e559mm (22\")\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\u003e271.78mm (10.7\")\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\u003e9.53 kg (21 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 11.3 kg (25 lbs) at 107mm (4.2\") 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 9.25\" optical tube with CGE dovetail bar, 23mm Luminos 2\" eyepiece, 2\" mirror star diagonal with 1.25\" adapter, 9x50 finderscope.\u003c\/p\u003e\n\u003cp\u003eAt 9.53 kg, the tube suits mid-weight 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 CGX or CGEM II mount\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eGoTo equatorial mounts with comfortable 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 \/ PlaneWave mount\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eObservatory-grade precision for research and remote imaging\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 925\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\u003e48mm T-Adapter for EdgeHD 9.25\", 11\", 14\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eCorrect back focus for full-frame and large-sensor cameras\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 – 9.25\"\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 – 9.25\"\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 9.25\" 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\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003eModern Telescopes motorized observatory dome\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\u003cp\u003ePermanent, weather-protected housing for schools and colleges\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWho the EdgeHD 9.25 is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchools, colleges and science centres\u003c\/strong\u003e setting up an astronomy lab or rooftop observatory\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerious amateurs\u003c\/strong\u003e moving up from an 8\" SCT who want more aperture without a heavy mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary imagers\u003c\/strong\u003e chasing high-resolution views of Jupiter, Saturn, Mars and the Moon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep-sky astrophotographers\u003c\/strong\u003e who need a flat field and the option of f\/7 or f\/2 imaging\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\u003ch2 data-lfile-container=\"81d495e5-88e9-46ff-89d1-4475160c7fbf\" data-pm-slice=\"1 1 []\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the price of the Celestron EdgeHD 9.25 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\u003eEdgeHD 9.25 vs EdgeHD 8 – which should I buy?\u003c\/strong\u003e The 9.25\" gives 235mm aperture against 203mm, about a third more light, and finer resolution. It weighs only a little more, so it is the popular step up for imagers who want more reach on the same class of mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEdgeHD 9.25 vs EdgeHD 11 – what's the difference?\u003c\/strong\u003e The 11\" has more aperture and a longer focal length but needs a heavier mount. The 9.25\" is easier to transport and set up, and is a strong choice for planetary imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between EdgeHD 9.25 and a standard C9.25?\u003c\/strong\u003e Both share a 235mm aperture, but EdgeHD adds a corrector that removes coma and flattens the field. Stars stay sharp to the edge of large camera sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the EdgeHD 9.25 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 CGX or CGEM II, or a Paramount or PlaneWave mount for observatories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it for visual observing?\u003c\/strong\u003e Yes. The included 23mm Luminos 2\" eyepiece gives 102×, and the useful range is 34× to 555×.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat reducer works with the EdgeHD 9.25?\u003c\/strong\u003e The Celestron 0.7x Reducer Lens for EdgeHD 925 brings it to f\/7 at about 1645mm focal length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the EdgeHD 9.25 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 9.25 weigh?\u003c\/strong\u003e The optical tube weighs 9.53 kg (21 lbs). It is 559mm long and 271.78mm in diameter.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44494986739773,"sku":null,"price":274000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/6595\/8205\/files\/91040-XLT_CGE_Pro_925_HD_3.webp?v=1794154246","url":"https:\/\/moderntelescopes.net\/products\/celestron-edgehd-9-25-optical-tube-assembly-cge-dovetail-91040-xlt","provider":"Modern Telescopes","version":"1.0","type":"link"}