{"product_id":"c11-a-xlt-cge-schmidt-cassegrain-ota-11-optical-tube-assembly-91036-xlt","title":"Celestron C11-A XLT (CGE) Schmidt-Cassegrain OTA - 11\" Optical Tube Assembly - 91036-XLT","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\n\u003ch2\u003eAbout the Celestron C11-A XLT Schmidt-Cassegrain OTA - 11\" SCT Optical Tube Assembly...\u003c\/h2\u003e\n\u003c\/center\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/khanscope.com\/newEquipList.cfm?catID=1\u0026amp;subCatID=1\u0026amp;manID=2\" target=\"blank\"\u003eCelestron Telescope\u003c\/a\u003e Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually to be used with your favorite mount. Each \u003cb\u003eCelestron C11-A XLT\u003c\/b\u003e is made to the same exacting standards as those used on all their high quality \u003ca href=\"http:\/\/khanscope.com\/newEquipList.cfm?catID=1\u0026amp;subCatID=1\u0026amp;manID=2\" target=\"blank\"\u003eCelestron Telescopes\u003c\/a\u003e. All optical surfaces are coated with StarBright XLT coatings. These tube assemblies are equipped with the same dovetail mounting bar as used on the CGE series for easy attachment to a variety of popular \u003ca href=\"http:\/\/khanscope.com\/accessList.cfm?catID=3\u0026amp;subcatID=13\" target=\"blank\"\u003eCelestron Telescope Mounts and Tripods\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWeighing only 27.5 lbs., the \u003cb\u003eC11-A XLT Schmidt-Cassegrain OTA - 11\" SCT Optical Tube Assembly\u003c\/b\u003e is still portable enough to be taken to dark skies, but it has 89% more light gathering power than an 8\" \u003ca href=\"http:\/\/khanscope.com\/newEquipList.cfm?catID=1\u0026amp;subCatID=1\u0026amp;manID=2\" target=\"blank\"\u003eCelestron Telescope\u003c\/a\u003e. Using an f\/6.3 Focal Reducer makes it usable with a wide variety of \u003ca href=\"http:\/\/khanscope.com\/newEquipList.cfm?catID=1\u0026amp;subCatID=18\u0026amp;manID=2\" target=\"blank\"\u003eCelestron CCD Cameras\u003c\/a\u003e. As a visual instrument you can search for all of the Messier Catalog, NGC, IC and Caldwell objects. Turn this \u003ca href=\"http:\/\/khanscope.com\/newEquipList.cfm?catID=1\u0026amp;subCatID=1\u0026amp;manID=2\" target=\"blank\"\u003eCelestron Telescope\u003c\/a\u003e to the planets and see amazing detail on the surface of Jupiter; see Cassini''s Division in the rings of Saturn, and resolve details on the surface of Mars. Even the distant Uranus, Neptune and Pluto are within your reach.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAdditional \u003ca href=\"http:\/\/khanscope.com\/accessList.cfm?catID=3\u0026amp;subcatID=9\" target=\"blank\"\u003eCelestron Telescope Eyepieces\u003c\/a\u003e, \u003ca href=\"http:\/\/khanscope.com\/accessList.cfm?catID=3\u0026amp;subcatID=13\" target=\"blank\"\u003eCelestron Telescope Mounts and Tripods\u003c\/a\u003e, and \u003ca href=\"http:\/\/khanscope.com\/accessList.cfm?catID=3\u0026amp;subcatID=15\" target=\"blank\"\u003eCelestron Telescope Accessories\u003c\/a\u003e are readily available!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\n\u003ch2\u003eCelestron C11-A XLT Schmidt-Cassegrain OTA - 11\" SCT Optical Tube Assembly Features...\u003c\/h2\u003e\n\u003c\/center\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11\" Schmidt-Cassegrain Optical Tube Assembly\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eAluminum Optical Tube\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eCelestron'''s premium StarBright XLT coatings\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e2800 mm focal length (f\/10)\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e40 mm eyepiece included (70x)\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eVisual back allows for use with 1.25\" accessories\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e9x50 finderscope to help accurately find objects\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eStar diagonal provides more comfortable viewing position when observing objects that are high in the sky\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes dovetail rail compatible with CGE Series mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\n\u003ch2\u003eCelestron C11-A XLT Schmidt-Cassegrain OTA - 11\" SCT Optical Tube Assembly Specifications...\u003c\/h2\u003e\n\u003c\/center\u003e\n\u003cp\u003eOptical Design: Schmidt-Cassegrain\u003c\/p\u003e\n\u003cp\u003eAperture (mm): 279.4 mm (11 in)\u003c\/p\u003e\n\u003cp\u003eFocal Length (mm): 2800 mm (110 in)\u003c\/p\u003e\n\u003cp\u003eFocal Ratio: f\/10\u003c\/p\u003e\n\u003cp\u003eEyepiece 1 (mm): 40 mm (1.57 in)\u003c\/p\u003e\n\u003cp\u003eMagnification 1: 70 x\u003c\/p\u003e\n\u003cp\u003eFinderscope: 9x50\u003c\/p\u003e\n\u003cp\u003eStar Diagonal: 1.25\u003c\/p\u003e\n\u003cp\u003eOptical Tube: Aluminum\u003c\/p\u003e\n\u003cp\u003eHighest Useful Magnification: 660 x\u003c\/p\u003e\n\u003cp\u003eLowest Useful Magnification: 40 x\u003c\/p\u003e\n\u003cp\u003eLimiting Stellar Magnitude: 14.7\u003c\/p\u003e\n\u003cp\u003eResolution (Rayleigh): 0.5 arc seconds\u003c\/p\u003e\n\u003cp\u003eResolution (Dawes): 0.42 arc seconds\u003c\/p\u003e\n\u003cp\u003eLight Gathering Power (Compared to human eye): 1593 x\u003c\/p\u003e\n\u003cp\u003eSecondary Mirror Obstruction: 3.75 in (95 mm)\u003c\/p\u003e\n\u003cp\u003eSecondary Mirror Obstruction by Diameter: 34 %\u003c\/p\u003e\n\u003cp\u003eSecondary Mirror Obstruction by Area: 12 %\u003c\/p\u003e\n\u003cp\u003eOptical Coatings: StarBright \/ XLT\u003c\/p\u003e\n\u003cp\u003eOptical Tube Length: 24 in (610 mm)\u003c\/p\u003e\n\u003cp\u003eOptical Tube Weight: 27.5 lbs (12 kg)\u003c\/p\u003e\n\u003cp\u003eDovetail Compatibility: CGE Mount\u003c\/p\u003e\nCelestron Product Number: 91036-XLT","brand":"Celestron","offers":[{"title":"Default","offer_id":10554886081,"sku":"CEL-91036-XLT","price":2953.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/products\/3711-1-thumb.jpeg?v=1776459209","url":"https:\/\/khanscope.com\/en-fr\/products\/c11-a-xlt-cge-schmidt-cassegrain-ota-11-optical-tube-assembly-91036-xlt","provider":"Khan Scope Centre","version":"1.0","type":"link"}