Celestron C11-A XLT (CG-5) Optical Tube Assembly
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Celestron C11-A XLT (CG-5) Optical Tube Assembly

This version of the Celestron C11 is fitted with a Vixen style dovetail for use with smaller mounts, such as the Advanced VX.

C11-A (XLT) - General Features

  • 11" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2800 mm focal length (f/10)
  • 40 mm eyepiece included (70x)
  • Visual back allows for use with 1.25" accessories
  • 9x50 finderscope to help accurately find objects
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Includes dovetail rail compatible with CG-5 and similar mounts


Our price: $2315.00

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Telescope Type Schmidt-Cassegrain
Aperture (in.) 11 inches
Aperture (mm) 280 mm
Focal Ratio f/10
Focal Length 2800 mm
Limiting Visual Magnitude 14.7
Eyepiece 1 40 mm
Magnification with Eyepiece 1 70x
Star Diagonal 1.25-inch prism
Finder 9 x 50 optical
Weight Fully Assembled 27.5 lbs.
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