Celestron C11 XLT Optical Tube Assembly - CGE / Losmandy

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About this product

The Celestron C11 is one of the most highly regarded large-aperture SCT telescopes available today.

This OTA is supplied with a CGE / Losmandy style dovetail.

General Features:

• 11" Schmidt-Cassegrain Optical Tube Assembly
• Aluminum Optical Tube
• Celestron's premium StarBright XLT coatings
• 2800 mm focal length (f/10)
• 40 mm eyepiece included (70x)
• Visual back allows for use with 1.25" accessories
• 9x50 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  : 279.4 mm (11 in)
Focal Length  : 2800 mm (110.24 in)
Focal Ratio  : 10.02
Finderscope  : 9x50
Optical Tube  : Aluminum
Eyepiece 1  : 40 mm (1.57 in)
Magnification 1  : 70 x
Star Diagonal  : 1.25
Optical Coatings  : StarBright / XLT
Secondary Mirror Obstruction  : 3.75 in (95.25 mm)
Secondary Mirror Obstruction by Area  : 11.6 %
Secondary Mirror Obstruction by Diameter  : 34.1 %
Optical Tube Length  : 24 in (609.6 mm)
Optical Tube Weight  : 27.5 lb (12.47 kg)

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