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EdgeHD 9.25 Optical Tube Assembly
EdgeHD 9.25 Optical Tube Assembly
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* 9.25 EdgeHD Optical Tube Assembly
* Aluminum Optical Tube
* Celestron's premium StarBright XLT coatings
* 2350mm focal length (f/10)
* 23mm Axiom 2" eyepiece included (102x)
* 9x50 finderscope to help accurately find objects
* 2" diagonal provides more comfortable viewing position when observing objects that are high in the sky
* Mirror Support Knobs hold the mirror in place and reduces image shift during imaging.
* Tube vents with integrated 60 micron mesh filter allowing hot air to be released from behind the primary mirror.
* Fastar Compatible optical tubes are equipped with a removable secondary mirror for fast f/2 ccd imaging
* Includes dovetail rail compatible with CGE mount

OPTICAL DESIGN: Aplanatic Schmidt
APERTURE: 234.95 mm (9.25 in)
FOCAL LENGTH: 2350 mm (92.52 in)
FOCAL RATIO: 10
FINDERSCOPE: 9x50
OPTICAL TUBE: Aluminum
EYEPIECE 1: 23 mm (0.91 in)
MAGNIFICATION 1: 102 x
STAR DIAGONAL: 2" w/ 1.25" adapter
OPTICAL COATINGS: StarBright XLT
SECONDARY MIRROR OBSTRUCTION: 3.35 in (85.09 mm)
SECONDARY MIRROR OBSTRUCTION BY AREA: 13.1 %
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 36.2 %
OPTICAL TUBE LENGTH: 22 in (558.8 mm)
OPTICAL TUBE WEIGHT: 21 lb (9.53 kg)
DOVETAIL COMPATIBILITY: CGE Mount

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