Celestron 11 Inch EdgeHD OTA Optical Tube

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    Celestron 11 Inch EdgeHD OTA Optical Tube

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    Item Description

    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 (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  : 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
    • State of the art 11-inch EdgeHD aluminum optical tube
    • 2800mm focal length and 70x mag.; 9x50 finderscope
    • Removable secondary mirror for fast f/2 ccd imaging
    • 22mm Axiom 2 eyepiece with enhanced light transmission


    Model No.: 91050XLT
    Shipping Weight (in pounds): 30.0
    Origin of Components: USA or Imported

    What's Included

    • • 9x50 finderscope

    Product Warranty and Service Plan Options

    Product warranty: See manufacturer warranty for warranty length. See details

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