Celestron C11-A XLT Optical Tube with CG5 Dovetail
Sku:
ZZT-ZZCE-91067-XLT
Mfg #:
91067-XLT
$2,499.95
Discontinued by Manufacturer
This item is discontinued by the manufacturer and is no longer available.
Stock count is accurate & shown in real time.
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available (account login required).
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available (account login required).
SKU:
ZZT-ZZCE-91067-XLT
Mfg #:
91067-XLT
Key Features
- 11" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2800 mm focal length (f/10)
- 40 mm eyepiece included (70x)
- Visual back allows for use with 1.25" accessories
- 9x50 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
Specifications:
- Optical Design: Schmidt-Cassegrain
- Aperture (mm): 279.4 mm (11")
- Focal Length: 2800 mm (110")
- Focal Ratio: 10
- Focal Length of Eyepiece 1 (mm): 40 mm (1.57")
- Magnification of Eyepiece 1: 70x
- Finderscope: 9x50
- Star Diagonal: 1.25
- Optical Tube: Aluminum
- Highest Useful Magnification: 660x
- Lowest Useful Magnification: 40x
- Limiting Stellar Magnitude: 14.7
- Resolution (Rayleigh): 0.5 arc seconds
- Resolution (Dawes): 0.42 arc seconds
- Light Gathering Power (Compared to human eye): 1593x
- Secondary Mirror Obstruction: 95 mm (3.75")
- Secondary Mirror Obstruction by Diameter: 34%
- Secondary Mirror Obstruction by Area: 12%
- Optical Coatings: StarBright / XLT
- Optical Tube Length: 610 mm (24")
- Optical Tube Weight: 27.5 lbs (12 kg)
- Dovetail Compatibility: CG-5 Mount
Specifications:
- Optical Design: Schmidt-Cassegrain
- Aperture (mm): 279.4 mm (11")
- Focal Length: 2800 mm (110")
- Focal Ratio: 10
- Focal Length of Eyepiece 1 (mm): 40 mm (1.57")
- Magnification of Eyepiece 1: 70x
- Finderscope: 9x50
- Star Diagonal: 1.25
- Optical Tube: Aluminum
- Highest Useful Magnification: 660x
- Lowest Useful Magnification: 40x
- Limiting Stellar Magnitude: 14.7
- Resolution (Rayleigh): 0.5 arc seconds
- Resolution (Dawes): 0.42 arc seconds
- Light Gathering Power (Compared to human eye): 1593x
- Secondary Mirror Obstruction: 95 mm (3.75")
- Secondary Mirror Obstruction by Diameter: 34%
- Secondary Mirror Obstruction by Area: 12%
- Optical Coatings: StarBright / XLT
- Optical Tube Length: 610 mm (24")
- Optical Tube Weight: 27.5 lbs (12 kg)
- Dovetail Compatibility: CG-5 Mount
Read Full Description
Reviews / Q&A
Reviews / Q&A
Key Features
- 11" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2800 mm focal length (f/10)
- 40 mm eyepiece included (70x)
- Visual back allows for use with 1.25" accessories
- 9x50 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
Specifications:
- Optical Design: Schmidt-Cassegrain
- Aperture (mm): 279.4 mm (11")
- Focal Length: 2800 mm (110")
- Focal Ratio: 10
- Focal Length of Eyepiece 1 (mm): 40 mm (1.57")
- Magnification of Eyepiece 1: 70x
- Finderscope: 9x50
- Star Diagonal: 1.25
- Optical Tube: Aluminum
- Highest Useful Magnification: 660x
- Lowest Useful Magnification: 40x
- Limiting Stellar Magnitude: 14.7
- Resolution (Rayleigh): 0.5 arc seconds
- Resolution (Dawes): 0.42 arc seconds
- Light Gathering Power (Compared to human eye): 1593x
- Secondary Mirror Obstruction: 95 mm (3.75")
- Secondary Mirror Obstruction by Diameter: 34%
- Secondary Mirror Obstruction by Area: 12%
- Optical Coatings: StarBright / XLT
- Optical Tube Length: 610 mm (24")
- Optical Tube Weight: 27.5 lbs (12 kg)
- Dovetail Compatibility: CG-5 Mount
Reviews / Q&A