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Celestron C9.25 SCT Optical Tube Assembly (CGE Dovetail)

Celestron C9.25 SCT Optical Tube Assembly (CGE Dovetail)

SKU: CE91027-XLT
€2,399.00Price

Celestron C9.25 SCT Optical Tube Assembly (CGE Dovetail)

 

  • 9.25" Schmidt-Cassegrain Optical Tube Assembly (OTA)
  • Features Celestron's premium patented StarBright XLT optical coatings
  • 2350mm focal length (f/10)
  • Fastar compatible
  • Tube constructed of durable and lightweight aluminum
  • Includes: 25mm eyepiece (94x), 6x30 optical finderscope, star diagonal, 1.25" visual back, CGEM-style dovetail bar

 

The Celestron C9.25 is an unusual size with its 9.25” aperture and 2350 mm focal length, but many consider it to be the Goldilocks of optical tubes—not too big, not too small. This rugged aluminum optical tube is only 22 inches long and weighs just 20 pounds, making it easy to transport and set up. But the views are much more impressive than what you’d expect from such a compact instrument. The tube offers a focal ratio of f/10 with the added versatility of Fastar (see below).

 

It is equipped with Celestron’s patented StarBright® XLT optical coatings, which visibly increase contrast and light transmission for brighter deep space images and shorter exposure times. With StarBright XLT, you’ll be able to discern subtle details while viewing the Moon and planets as well as faint galaxies and nebulae.

 

The Celestron C9.25 can be mounted on a multitude of computerized telescope mounts thanks to its CGEM-style dovetail bar. This iconic optical tube provides the best balance of portability, handling ease, light gathering ability and price ever offered to the amateur astronomer.

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Out of Stock
  • Specs

    OPTICAL TUBE INFO:  
    Optical Design: Schmidt-Cassegrain
    Aperture: 2345mm (9.25")
    Focal Length: 2350mm (93")
    Focal Ratio: f/10
    Focal Length of Eyepiece 1: 25mm (0.98")
    Magnification of Eyepiece 1: 94x
    Finderscope: 6x30
    Star Diagonal: 1.25" Star Diagonal
    Optical Tube: Aluminum
    Highest Useful Magnification: 555x
    Lowest Useful Magnification: 34x
    Limiting Stellar Magnitude: 14.4
    Resolution (Rayleigh): 0.59 arc seconds
    Resolution (Dawes): 0.49 arc seconds
    Light Gathering Power (Compared to human eye): 1127x
    Secondary Mirror Obstruction: 85mm (3.35")
    Secondary Mirror Obstruction by Diameter: 36%
    Secondary Mirror Obstruction by Area: 13%
    Optical Coatings: StarBright XLT
    Optical Tube Length: 559mm (22")
    Optical Tube Diameter: 271.78mm (10.7")
    Optical Tube Weight: 20 lbs (9.07 kg)
    Dovetail: CGE Dovetail Bar
    Solar Warning
    • Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result.
    • Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
    • Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.
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