Celestron 11 Inch EdgeHD OTA Optical Tube - 91050-XLT
Category: Telescopes
Celestron EdgeHD 11" - General Features
- 11" EdgeHD Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2800mm focal length (f/10)
- 23mm Axiom 2" eyepiece included (122x)
- 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
Specifications
- Optical Design : Aplanatic Schmidt
- Aperture : 279.4 mm (11 in)
- Focal Length : 2800 mm (110.24 in)
- Focal Ratio : f/10
- Finderscope : 9x50
- Optical Tube : Aluminum
- Eyepiece 1 : 40 mm (1.57 in)
- Magnification 1 : 70 x
- Star Diagonal : 1.25
- Optical Coatings : StarBright
- Secondary 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 : 28 lb (12.7 kg)
- Dovetail Compatibility : CGE Mount/ Orange
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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