Celestron C6-A-XLT (CG-5) Optical Tube Assembly
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General Features
- 6" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 1500 mm focal length (f/10)
- 25 mm eyepiece included (60x)
- 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
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- 6" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 1500 mm focal length (f/10)
- 25 mm eyepiece included (60x)
- 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
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PUBLIC SPECS |
- Optical Design: Schmidt-Cassegrain
- Aperture (mm): 150 mm (5.91 in)
- Focal Length: 1500 mm (59 in)
- Focal Ratio: 10
- Focal Length of Eyepiece 1 (mm): 25 mm (0.98 in)
- Magnification of Eyepiece 1: 60 x
- Finderscope: 6x30
- Star Diagonal: 1.25
- Optical Tube: Aluminum - black
- Fastar Compatible: No
- Highest Useful Magnification: 354 x
- Lowest Useful Magnification: 21 x
- Limiting Stellar Magnitude: 13.4
- Resolution (Rayleigh): 0.93 arc seconds
- Resolution (Dawes): 0.77 arc seconds
- Light Gathering Power (Compared to human eye): 459 x
- Apparent Field of View: .83 °
- Linear Field of View (@1000 yds): 44 ft (13 m)
- Secondary Mirror Obstruction: 2.2 in (56 mm)
- Secondary Mirror Obstruction by Diameter: 37%
- Secondary Mirror Obstruction by Area: 14%
- Optical Coatings: StarBright XLT
- Optical Tube Length: 16 in (406 mm)
- Optical Tube Weight: 10 lbs (4.54 kg)
- Dovetail Compatibility: CG-5 Mount
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