Jacobs Digital

09 480 5903

www.jacobsdigital.co.nz

9 Mokoia Road

Birkenhead, Auckland 0626

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Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail)

SKU: 91067-XLT

Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) - Jacobs Digital

Our Price

$7,049.00

$7,049.00

Green truck Usually ships in 4-8 weeks An order for this can be placed with our supplier, and usually ships within the specified timeframe.



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About this product

Outfitted with an over-sized aperture, long effective focal length, and their proprietary StarBright XLT optical coatings, the Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope provides power and portability. The coating system consists of anti-reflection coatings on the corrector plate, highly reflective index mirror coatings, and low-absorption/high-transmission glass components to ensure that the maximum amount of light is gathered and transmitted to the user's eye.

 

This system ensures bright and clear high-contrast images with accurate color rendition across the entire visual spectrum without visible distortion at the edges. Celestron includes a standard 1.25" visual back to accept eyepieces and accessories such as the 40mm eyepiece and 90° diagonal supplied with the optical tube assembly (OTA). This OTA is offered here without a mount or tripod for users who already have a support system—just ensure the mount's payload capacity exceeds 27.5 pounds to safely carry the weight and that the mount has a Vixen-style saddle to match the OTA's CG-5 mounting plate.

Optical Tube
  • 11" (279.4mm) aperture
  • f/10 focal ratio
  • 2800mm effective focal length
  • Schmidt-Cassegrain design optical path
  • StarBright XLT optical coatings
  • Resolution: 0.5 arcsec (Rayleigh); 0.42 arcsec (Dawes)
  • Secondary mirror obstruction: 3.75" (95 mm); 34% by diameter; 12% by area
StarBright XLT System
  • Maximizes light transmission through optical path
  • Improves color rendition, contrast, sharpness, resolution, and brightness
  • Broadband system provides flat wavelength transmission across the entire visual spectrum
  • Multi-layer mirror coatings with layers of aluminum, SiO2 (quartz), and TiO2 (titanium dioxide)
  • Multi-layer anti-reflective corrector plate coatings with layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide); hafnium has a wider band-pass than the commonly used titanium
  • High-transmission water white glass corrector plate limits light loss due to internal absorption
Mounting
  • Optical tube only—mount and tripod required for proper use
  • Supplied with CG-5 dovetail plate, which is compatible with Vixen-style saddles
  • Mount must have a payload capacity of over 27.5 pounds to safely support the OTA
Included Accessories
  • Visual back:
  • Standard threads for Schmidt-Cassegrain telescope optical tubes
  • 1.25" holder accepts 1.25" eyepieces and accessories
  • Eyepiece:
  • 1.25"-diameter barrel
  • Accepts most 1.25" astronomical filters
  • 40mm focal length produces 70x magnification
  • Diagonal:
  • 1.25"-diameter barrel
  • 90° angle places head in comfortable viewing position when scope is aimed at or near the zenith
  • Star diagonal corrects view horizontally, but not vertically
  • Finderscope:
  • 9x magnification
  • 50mm aperture
  • Mounting bracket included

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