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Celestron - C8-A XLT (CG-5) Optical Tube Assembly |
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Celestron - C8-A XLT (CG-5) Optical Tube Assembly
8" Schmidt-Cassegrain Optical Tube Assembly With XLT Coatings. Includes dovetail rail compatible with CG-5 Advanced Series mountItem #91020-XLT
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C8-A XLT (CG-5) - General Features- 8" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2032 mm focal length (f/10)
- 25 mm eyepiece included (81x)
- Visual back allows for use with 1.25" accessories
- 6x30 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 Advanced Series mount
Specs Optical Design  : Schmidt-Cassegrain Aperture : 203.2 mm (8 in) Focal Length : 2032 mm (80 in) Focal Ratio : 10 Finderscope : 6x30 Optical Tube : Aluminum Eyepiece 1 : 25 mm (0.98 in) Magnification 1 : 81 x Star Diagonal : 1.25 Optical Coatings : StarBright XLT Secondary Mirror Obstruction : 2.5 in (63.5 mm) Secondary Mirror Obstruction by Area : 9.8 % Secondary Mirror Obstruction by Diameter : 31.3 % Optical Tube Length : 17 in (431.8 mm) Optical Tube Weight : 12.5 lbs (5.67 kg) Dovetail Compatibility : CG-5 Mount
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