Celestron C8 SCT OTA - CG5

Optical Tube Assembly

Availability: In Stock

Brand New Includes Two Year Warranty

Returnable Item: 30 Day Guarantee i

Reg. Price:$1,207.99
Sale Price: $1,049.95
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  • Technical Features

Technical Features for Celestron C8 SCT OTA - CG5

The Celestron C8 SCT OTA - CG5 is a 8" Schmidt-Cassegrain Optical Tube Assembly that features premium StarBright XLT coatings. The optical tube assembly is a versatile instrument accommodates 2032 mm focal length (f/10) with the Star diagonal provides more comfortable viewing position when observing objects that are high in the sky. 6x30 finderscope to help accurately find objects and 25 mm eyepiece included (81x).

C8-A XLT (CG-5) Optical Tube Assembly Features:

  • 8" Optical Tube Assembly
  • Premium StarBright XLT Coatings
  • 480x Maximum Magnification
  • Focal Length: 2032 mm, f/10 Focal Ratio
  • 6x30 Finderscope
  • Aluminum Optical Tube
  • StarBright XLT Technology
  • 25 mm Eyepiece Included (81x)
  • Visual Back Allows for Use with 1.25" Accessories
  • CG-5 Mount
  • SKU: 91020-XLT


Optical Design : Schmidt-Cassegrain
Aperture : 203.2 mm (8 in)
Focal Length : 2032 mm (80 in)
Focal Ratio : 10
Focal Length of Eyepiece 1 (mm) : 25 mm (0.98 in)
Magnification of Eyepiece 1 : 81 x
Finderscope : 6x30
Star Diagonal : 1.25"
Optical Tube : Aluminum
Highest Useful Magnification : 480 x
Lowest Useful Magnification : 29 x
Limiting Stellar Magnitude : 14
Resolution (Rayleigh) : 0.69 Arc Seconds
Resolution (Dawes) : 0.57 Arc Seconds
Light Gathering Power : 843 x
Secondary Mirror Obstruction : 2.5 in (64 mm)
Secondary Mirror Obstruction by Diameter : 31%
Secondary Mirror Obstruction by Area : 9.77%
Optical Coatings : StarBright / XLT
Optical Tube Length : 17 in (432 mm)
Optical Tube Weight : 12.5 lbs (5.67 kg)
Dovetail Compatibility : CG-5 Mount
The Celestron C8 SCT OTA - CG5 has many exciting features for users of all types. You can extend the lifetime of your Celestron C8 SCT OTA - CG5 with the purchase of a FactoryOutletStore Factory Protection Plan. See the Celestron C8 SCT OTA - CG5 gallery images above for more product views. FactoryOutletStore stocks a full line of accessories like 45-Degree Erect Image Diagonal, Adapter, and Binocular Viewer for the Celestron C8 SCT OTA - CG5. The Celestron C8 SCT OTA - CG5 is sold as a Brand New Unopened Item.