Celestron C9 1/4-A XLT (CG-5) Optical Tube Assembly - 91025-XLT

Item #:

CEL-91025-XLT

Brand:

Celestron

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91025-XLT C9 1/4-A XLT (CG-5) Optical Tube Assembly by Celestron

9.25" Schmidt-Cassegrain Optical Tube Assembly
Aluminum Optical Tube
Celestron's premium StarBright XLT coatings
2350 mm focal length (f/10)
25 mm eyepiece included (94x)
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

Aperture (mm)	234.95 mm (9.25 in)
Dovetail Compatibility	CG-5 Mount
Finderscope	6x30
Focal Length	2350 mm (93 in)
Focal Length of Eyepiece 1	25 mm (0.98 in)
Focal Ratio	10
Highest Useful Magnification	555 x
Light Gathering Power (Compared to Human Eye)	1127 x
Limiting Stellar Magnitude	14.4
Lowest Useful Magnification	34 x
Magnification of Eyepiece 1	94 x
Optical Coatings	StarBright / XLT
Optical Design	Schmidt-Cassegrain
Optical Tube	Aluminum
Optical Tube Length	22 in (559 mm)
Optical Tube Weight	20 lbs (9.07 kg)
Resolution (Dawes)	0.49 arc seconds
Resolution (Rayleigh)	0.59 arc seconds
Secondary Mirror Obstruction	3.35 in (85 mm)
Star Diagonal	1.25