Celestron C11-A XLT (CGE) Optical Tube Assembly - 91036-XLT

Item #:

CEL-91036-XLT

Brand:

Celestron

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91036-XLT C11-A XLT (CGE) Optical Tube Assembly by Celestron

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
Includes dovetail rail compatible with CGE mount

Aperture (mm)	279.4 mm (11 in)
Dovetail Compatibility	CGE Mount
Finderscope	9x50
Focal Length	2800 mm (110 in)
Focal Length of Eyepiece 1	40 mm (1.57 in)
Focal Ratio	10
Highest Useful Magnification	660 x
Light Gathering Power (Compared to Human Eye)	1593 x
Limiting Stellar Magnitude	14.7
Lowest Useful Magnification	40 x
Magnification of Eyepiece 1	70 x
Optical Coatings	StarBright / XLT
Optical Design	Schmidt-Cassegrain
Optical Tube	Aluminum
Optical Tube Length	24 in (610 mm)
Optical Tube Weight	27.5 lbs (12 kg)
Resolution (Dawes)	0.42 arc seconds
Resolution (Rayleigh)	0.5 arc seconds
Secondary Mirror Obstruction	3.75 in (95 mm)
Star Diagonal	1.25