Celestron C9.25-A XLT Optical Tube with CG5 Dovetail
Sku:
ZZT-ZZCE-91025-XLT
Mfg #:
91025-XLT
$1,499.95
Discontinued by Manufacturer
This item is discontinued by the manufacturer and is no longer available.
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SKU:
ZZT-ZZCE-91025-XLT
Mfg #:
91025-XLT
Key Features
- 9.25" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2350 mm focal length (f/10)
- 25 mm eyepiece included (94x)
- Visual back allows for use with 1.25" accessories
- 6x30 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CG-5 Advanced Series mount
Description
Description
- Optical Design: Schmidt-Cassegrain
- Aperture (mm): 234.95 mm (9.25")
- Focal Length: 2350 mm (93")
- Focal Ratio: 10
- Focal Length of Eyepiece 1 (mm): 25 mm (0.98")
- Magnification of Eyepiece 1: 94x
- Finderscope: 6x30
- Star Diagonal: 1.25
- 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: 85 mm (3.35")
- Secondary Mirror Obstruction by Diameter: 36%
- Secondary Mirror Obstruction by Area: 13%
- Optical Coatings: StarBright / XLT
- Optical Tube Length: 559 mm (22")
- Optical Tube Weight: 20 lbs (9.07 kg)
- Dovetail Compatibility: CG-5 Mount
Other Information
- Country of Manufacture: China
- Optical Design: Schmidt-Cassegrain
- Aperture (mm): 234.95 mm (9.25")
- Focal Length: 2350 mm (93")
- Focal Ratio: 10
- Focal Length of Eyepiece 1 (mm): 25 mm (0.98")
- Magnification of Eyepiece 1: 94x
- Finderscope: 6x30
- Star Diagonal: 1.25
- 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: 85 mm (3.35")
- Secondary Mirror Obstruction by Diameter: 36%
- Secondary Mirror Obstruction by Area: 13%
- Optical Coatings: StarBright / XLT
- Optical Tube Length: 559 mm (22")
- Optical Tube Weight: 20 lbs (9.07 kg)
- Dovetail Compatibility: CG-5 Mount
Read Full Description
Reviews / Q&A
Reviews / Q&A
Key Features
- 9.25" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2350 mm focal length (f/10)
- 25 mm eyepiece included (94x)
- Visual back allows for use with 1.25" accessories
- 6x30 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CG-5 Advanced Series mount
Description
Reviews / Q&A
Description
- Optical Design: Schmidt-Cassegrain
- Aperture (mm): 234.95 mm (9.25")
- Focal Length: 2350 mm (93")
- Focal Ratio: 10
- Focal Length of Eyepiece 1 (mm): 25 mm (0.98")
- Magnification of Eyepiece 1: 94x
- Finderscope: 6x30
- Star Diagonal: 1.25
- 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: 85 mm (3.35")
- Secondary Mirror Obstruction by Diameter: 36%
- Secondary Mirror Obstruction by Area: 13%
- Optical Coatings: StarBright / XLT
- Optical Tube Length: 559 mm (22")
- Optical Tube Weight: 20 lbs (9.07 kg)
- Dovetail Compatibility: CG-5 Mount
Other Information
- Country of Manufacture: China
Specifications
| Telescope Focal Length | 2001 - 2500mm |
|---|
Reviews / Q&A