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Celestron C9.25 Optical Tube Assembly (CGE Dovetail)

Celestron C9.25 Optical Tube Assembly (CGE Dovetail)

Celestron
CE-91027-XLT
Sale
In Stock

HK$ 11500


+ -

圖片僅作供參考,並不代表產品實物及所包括配件。
Pictures shown are for illustration purpose only and may not be an exact representation of the product and accessories included.
  • Description

Optical Tube Info:
Optical Design: Schmidt-Cassegrain
Aperture: 235mm (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.

  • 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

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