Weighing only 27.5 lbs., this telescope is still portable enough to be taken to dark skies, but it has 89% more light gathering power than an 8” telescope. Using an f/6.3 Focal Reducer makes it usable with a wide variety of CCD cameras. As a visual instrument you can search for all of the Messier Catalog (like beautiful M13 at left), NGC, IC and Caldwell objects. Turn this scope to the planets and see amazing detail on the surface of Jupiter (below right), 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.
Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually to be used with your favorite mount. Each OTA is made to the same exacting standards as those used on all their high quality telescopes. 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 Pro or CGEM series for easy attachment to a variety of popular mounts such as the Celestron CGE Pro or CGEM, the Losmandy G-11 and newer GM-8, Software Bisque's Paramount, and mounts by AstroPhysics.
Celestron warrants your telescope to be free from defects in materials and workmanship for two years. Celestron will repair or replace such product or part thereof which, upon inspection by Celestron, is found to be defective in materials or workmanship.
Celestron’s excellent Schmidt-Cassegrain telescopes are compact and portable and represent the best all-purpose design for a wide variety of uses from terrestrial and deep sky viewing to astrophotography.
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|Name||Celestron - C11-A XLT (CGE) 11" Optical Tube Assembly (OTA)|
|Custom Stock Status||In Stock|
|Aperture||279.4 mm (110 in)|
|Counterweight Bar||22 lbs|
|Eyepiece 1||40 mm|
|Eyepiece Barrel Size||1.25"|
|Focal Length||2800 mm (110 in)|
|Highest Useful Magnification||660x|
|Light Gathering Power||1593x|
|Limiting Stellar Magnitude||14.7|
|Lowest Useful Magnification||40x|
|Mounting connections||dovetail plate|
|Optical Coatings||StarBright / XLT|
|Optical Tube Length||24 in (610 mm)|
|Optical Tube Weight||27.5 lbs (12 kg)|
|Resolution (Dawes)||0.42 arc seconds|
|Resolution (Rayleigh)||0.50 arc seconds|
|Secondary Mirror Obstruction||3.75 in (95 mm)|
|Secondary Mirror Obstruction by Area||12%|
|Secondary Mirror Obstruction by Diameter||34%|