Celestron C11-A Xlt Ota (Cge)

Brand: Celestron

Celestron C11-A Xlt Ota (Cge)

Brand: Celestron
SKU: 91036-XLT
$3,999.00 AUD

Sold Out due to popular demand

Celestron C11-A XLT Optical Tube Assembly

Celestron provides their Schmidt Cassegrain optics as a tube assembly only to use with your favourite mount.

  • 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
  • 9×50 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 CGE (wide 3″) dovetails

Celestron C11-A XLT OTA Specifications

Optical Design Schmidt-Cassegrain
Aperture (mm) 279.4 mm (11 in)
Focal Length 2800 mm (110 in)
Focal Ratio 10
Focal Length of Eyepiece 40 mm
Magnification of Eyepiece 70 x
Finderscope 9×50
Star Diagonal 1.25″
Optical Tube Aluminum
Highest Useful Magnification 660 x
Lowest Useful Magnification 40 x
Limiting Stellar Magnitude 14.7
Resolution (Rayleigh) 0.5 arc seconds
Resolution (Dawes) 0.42 arc seconds
Light Gathering Power (Compared to human eye) 1593 x
Secondary Mirror Obstruction 95 mm
Secondary Mirror Obstruction by Diameter 34%
Secondary Mirror Obstruction by Area 12%
Optical Coatings StarBright / XLT
Optical Tube Length 610 mm
Optical Tube Weight 12 kg
Dovetail Compatibility CGE Mount

Celestron provides their high grade Schmidt Cassegrain optics as a tube assembly only to use with your favourite mount. The popular C11 features premium StarBright XLT coatings, a 2800mm focal length (f/10), a 9×50 finderscope, and a dovetail rail compatible with CGE (wide 3″) dovetails.

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