Celestron C8 8 Inch Optical Tube Assembly CG-5

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AUD $2,399.00

Availability: Backorder Available

8" Schmidt-Cassegrain Optical Tube Assembly
Aluminum Optical Tube
Celestron's premium StarBright XLT coatings
2032 mm focal length (f/10)
25 mm eyepiece included (81x)
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

Specifications

Optical Design	Schmidt-Cassegrain
Aperture	203.2mm (8")
Focal Length	2032mm (80")
Focal Ratio	f/10
Focal Length of Eyepiece 1	25mm (0.98")
Magnification of Eyepiece 1	81x
Finderscope	6x30
Star Diagonal	1.25" Star Diagonal
Optical Tube	Aluminum
Highest Useful Magnification	480x
Lowest Useful Magnification	29x
Limiting Stellar Magnitude	14
Resolution (Rayleigh)	0.69 arc seconds
Resolution (Dawes)	0.57 arc seconds
Light Gathering Power (Compared to human eye)	843x
Secondary Mirror Obstruction	64mm (2.5")
Secondary Mirror Obstruction by Diameter	31%
Secondary Mirror Obstruction by Area	9.77%
Optical Coatings	StarBright XLT
Optical Tube Length	432mm (17")
Optical Tube Diameter	238mm (9.37")
Optical Tube Weight	12.5 lbs (5.67 kg)
Dovetail	Vixen/CG-5 Dovetail bar

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