Optical tube Celestron C11-A XLT...
Optical tube Celestron C11-A XLT...
Optical tube Celestron C11-A XLT...
Optical tube Celestron C11-A XLT...
Optical tube Celestron C11-A XLT...
Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT
Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT
Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT
Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT
Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT

Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT

CEL91036-XLT
Stock at Supplier
2,433.84 2,478.51 -44.67
VAT excluded Shipping 5/7d

Optical tube Celestron Schmidt-Cassegrain CELESTRON C11. The safe bet for light gathering!

Order it before 6 hours and 18 minutes and receive it between on Tuesday, 10 December and Tuesday, 17 December with Home delivery - International

Delivery Options
Carrier Description Estimated Delivery
Home delivery - International Home delivery - International

Tuesday, 10 December - Tuesday, 17 December

Home delivery - International

Home delivery - International

Estimated delivery:
Tuesday, 10 December - Tuesday, 17 December

 

Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT

SEE THE SPECIAL PRICE FOR THIS TELESCOPE, WE WILL MATCH THE BEST OFFER YOU GET.


Optical tubes Celestron Schmidt-Cassegrain are available individually for use with most equatorial mounts available on the market. Each tube is manufactured to the same standards applied to the tubes used in the top-of-the-line telescopes. Each optical surface is coated with StarBright XLT® high-efficiency multi-coating treatment.

All Celestron optical tubes are equipped with the same dovetail adapter platform used in the Advanced GT and CGEM series so that they are easy to attach to a variety of mounts.

Aluminum construction
StarBright XLT® treatment included on all models
Adaptive dovetails in various sizes

Technical specifications:

  • Optical Design: Schmidt-Cassegrain
  • Aperture: 279.4mm (11")
  • Focal length: 2800mm (110")
  • Focal ratio: f/10
  • Eyepiece focal length 1: 40mm (1.57")
  • Eyepiece magnification 1: 70x
  • Viewfinder: 9x50
  • Star diagonal: 1.25" star diagonal
  • Optical tube: Aluminum
  • Maximum useful magnification: 660x
  • Lowest useful magnification: 40x
  • Limiting stellar magnitude: 14.7
  • Resolution (Rayleigh): 0.5 arcseconds
  • Resolution (Dawes): 0.42 arcseconds
  • Light gathering power (compared to the human eye) 1593x
  • Secondary mirror obscuration: 95mm (3.75")
  • Secondary mirror obstruction per diameter: 34%.
  • Secondary mirror obstruction by area: 12%
  • Optical coatings: StarBright XLT
  • Optical tube length: 610mm (24")
  • Optical tube diameter: 312.42 mm (12.4")
  • Optical Tube Weight: 27.5 lbs (12.4 kg)
  • Dovetail: Dovetail blade type Losmandy



Optical Tube Celestron C11-A XLT 280mm Ø 91036-XLT

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