Celestron C11-A Schmidt-Cassegrain OTA Optical Tube

Catalog description

Celestron C11-A Schmidt-Cassegrain OTA Optical Tube, part number CELE350, is a discontinued product from the 2007–2011 catalog. It was last listed at $2399.00.

11 Schmidt-Cassegrain Optical Tube AssemblyAluminum Optical TubeCelestron's premium StarBright XLT coatings2800 mm focal length (f/10)40 mm eyepiece included (70x)Visual back allows for use with 1.25 accessories9x50 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-CassegrainDOVETAIL COMPATIBILITY: CG-5 MountAPERTURE: 279.4 mm (11 in)FOCAL LENGTH: 2800 mm (110.24 in)FOCAL RATIO: f/10.02FINDERSCOPE: 9x50OPTICAL TUBE: AluminumEYEPIECE 1: 40 mm (1.57 in)MAGNIFICATION 1: 70 xSTAR DIAGONAL: 1.25OPTICAL COATINGS: StarBright / XLTSECONDARY MIRROR OBSTRUCTION: 3.75 in (95.25 mm)SECONDARY MIRROR OBSTRUCTION BY AREA: 11.6 %SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 34.1 %OPTICAL TUBE LENGTH: 24 in (609.6 mm)OPTICAL TUBE WEIGHT: 27.5 lb (12.47 kg)

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