Optical Tubes
Celestron C8-A Schmidt-Cassegrain Optical Tube Assembly
$999.00Last catalog price, April 2009
Catalog description
Celestron C8-A Schmidt-Cassegrain Optical Tube Assembly, part number CELE315, is a discontinued product from the 2007–2011 catalog. It was last listed at $999.00.
8 Schmidt-Cassegrain Optical Tube AssemblyAluminum Optical TubeCelestron's premium StarBright XLT coatings2032 mm focal length (f/10)25 mm eyepiece included (81x) Visual back allows for use with 1.25 accessories6x30 finderscope to help accurately find objectsStar diagonal provides more comfortable viewing position when observing objects that are high in the skyIncludes dovetail rail compatible with CGE or CG-5 mount (select option) OPTICAL DESIGN: Schmidt-Cassegrain APERTURE: 203.2 mm (8 in) FOCAL LENGTH: 2032 mm (80 in) FOCAL RATIO: f/10FINDERSCOPE: 6x30 OPTICAL TUBE: Aluminum EYEPIECE 1: 25 mm (0.98 in) MAGNIFICATION 1: 81 x STAR DIAGONAL: 1.25 OPTICAL COATINGS: StarBright XLT SECONDARY MIRROR OBSTRUCTION: 2.5 in (63.5 mm) SECONDARY MIRROR OBSTRUCTION BY AREA: 9.8 % SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 31.3 %OPTICAL TUBE LENGTH: 17 in (431.8 mm)OPTICAL TUBE WEIGHT: 12.5 lb (5.67 kg)
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