Celestron EdgeHD 9.25″ – General Features
- 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)
- 9×50 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
Specifications
- Optical Design : Aplanatic Schmidt
- Aperture : 234.95 mm (9.25 in)
- Focal Length : 2350 mm (92.52 in)
- Focal Ratio : f/10
- Finderscope : 9×50
- 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/ Orange