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

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

Name: Optical tube Celestron C11-A XLT 280mm Ø 91036-XLT
Brand: Celestron
SKU: CEL91036-XLT
Price: 2433.84 EUR
Availability: PreOrder

Reference 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!

Buy it now and receive it between on Thursday, 9 January and Thursday, 16 January with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Thursday, 9 January - Thursday, 16 January

Home delivery - International

Estimated delivery:
Thursday, 9 January - Thursday, 16 January

✖

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Description
Product Details

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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