Celestron C6 XLT Optical Tube Assembly

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About this product

This is one of our favourite SCT telescopes, it delivers remarkably high performance per centimeter of aperture! 

When Synta acquired Celestron the Americans were not happy, they were not confident the Chinese could manufacture high-quality SCT telescopes. The Chinese can of course manufacture optics to whatever standard they choose. Synta designed and manufactured their first SCT telescope, the one shown here on this page, and supplied it with the Celestron 6SE and Nexstar C6S Adavanced VX. They chose a 6-inch aperture to ensure it would be noticed (there weren't any other 6-inch SCT models on the market). Needless to say the telescope was/is very good and per centimetre of aperture it is still regarded as one of the finest SCT telescopes available. The Americans were convinced so Synta moved the manufacture of other Celestron SCT telescopes in-house and have gone from strength to strength.

Compatible with the Hyperstar imaging system. 

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

Specifications:

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
Hyperstar Compatible  : Yes
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 lb (4.54 kg)

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