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Celestron - C6-A-XLT OTA (CG-5) |
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Celestron - C6-A-XLT OTA (CG-5)
6" Schmidt-Cassegrain Optical Tube Assembly With XLT Coatings
Item #91010-XLT
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C6-A-XLT (CG-5) - 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
Optical Design  : Schmidt-Cassegrain Aperture : 150 mm (5.91 in) Focal Length : 1500 mm (59.06 in) Focal Ratio : 10 Eyepiece 1 : 25 mm (0.98 in) Magnification 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 arcsec Resolution (Dawes) : 0.77 arcsec Light Gathering Power : 459 x Angular Field of View : 0.83 ° Linear Field of View (@1000 yds) : 44 ft (13.41 m) Secondary Mirror Obstruction : 2.2 in (55.88 mm) Secondary Mirror Obstruction by Diameter : 37.3 % Secondary Mirror Obstruction by Area : 13.9 % Optical Coatings : StarBright XLT Optical Tube Length : 16 in (406.4 mm) Optical Tube Weight : 10 lbs (4.54 kg) Dovetail Compatibility : CG-5 Mount
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