Celestron EdgeHD 8" Schmidt-Cassegrain (OTA) with CGE Dovetail

  • 8" EdgeHD Flat field Schmidt-Cassegrain
  • StarBright XLT optical coatings
  • Comes with CGE Dovetail Bar
  • 3 focal ratios: native f/10, f/7 with a focal reducer, or ultra-fast f/2 imaging
  • 2 Years Warranty
  • Notify me when this product is available:

    OUT OF STOCK
    SKU
    CEL-91030-XLT

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    Celestron EdgeHD 8" Optical Tube Assembly with CGE Dovetail

    Experience the best optical performance with Celestron EdgeHD 8" Optical Tube Assembly. This aluminium EdgeHD optical tube assembly is designed to reduce off-axis star coma, and perform at astrograph-quality flat focal plane all the way to the edge of the field of view. The focal plane is more than three-times flatter than a standard Schmidt-Cassegrain telescope and dramatically flatter than competing coma-free designs.

    Featuring Celestron's StarBright XLT optical coatings on every surface, Celestron EdgeHD 8" Optical Tube Assembly aims to give you maximum light throughput across the widest visual and photographic spectrum with improved resolution and limiting magnitude.

    Celestron EdgeHD 8" comes with versatile imaging and is Fastar-compatible. It has a native f/10 focal ratio, or you may remove the secondary mirror and replaced with a third party lens accessory for ultra-fast f/2 wide field imaging, or you can even add an optional reducer lens (custom-designed for your EdgeHD tube size) and use it at f/7 focal ratio.
    More Information
    Specifications
    Magnification of 40mm eyepiece 51x
    Diagonal 1.25" Star diagonal
    Optical tube Aluminium
    Lowest useful magnification 40x
    Limiting stellar magnitude 14
    Resolution (Rayleigh) 0.69 arc seconds
    Resolution (Dawes) 0.57 arc seconds
    Light gathering power (Compared to human eye) 843x
    Secondary mirror obstruction 64mm
    Secondary mirror obstruction by diameter 31%
    Secondary mirror obstruction by area 9.77%
    Optical coatings StarBright XLT
    Optical tube length 432mm
    Optical tube diameter 238mm
    Dovetail CGE Dovetail Bar
    Manufacturer Celestron
    Barcode 50234103091
    Telescope Type Aplanatic Schmidt-Cassegrain (EdgeHD)
    Aperture Size 203.2mm (8")
    Focal Length 2032mm (80")
    Focal Ratio f/10
    Highest Practical Magnification 480x
    Eyepieces 1.25" 40mm Plössl
    Mount Type None
    Tripod None
    Warranty 2 Years Warranty
    User Level For Advanced
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    Shipping costs are charged by either dead weight or cubic weight (whichever is greater).
    Dead weight = The actual weight of the item. Cubic weight = L x W x H (Meters) x Cubic Conversion Rate (250).


    Multiply the height x length x width = 0.35 x 0.65 x 0.4 = 0.091 m³ (Cubic Measurement)
    To convert 0.091 m³ to a weight in kilograms: Multiply 0.091m3 x 250 (Cubic Conversion Rate) = 22.75 kg