Celestron C8 XLT CGE

Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. Each OTA is made to the same exacting standards as those used on all our high quality telescopes.

£1,129.00

VAT included

Quantity

Available To Order

Open 7 Days In-Store With Friendly Advice

Delivery or Click n Collect - Details Here

21 Days Returns Policy - Details Here

General Features

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 CGE mount

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

With any Cassegrain telescope you will have to consider the affect dew fall. The cheapest solution is a lens hood but when dew is a real problem then heater straps will evaporate dew off.

PDF Specification sheet for filters and dew straps