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Celestron C14 SCT OTA - CGE - 91038-XLT

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Telescope
Celestron
91038-XLT
$6,900

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Highlights

  • 14" Schmidt-Cassegrain Optical Tube Assembly (OTA)
  • Features Celestron's premium patented StarBright XLT optical coatings
  • 3910mm focal length (f/11)
  • Fastar compatible
  • Tube constructed of durable and lightweight aluminum
  • Includes: 40mm eyepiece (98x), 9x50 optical finderscope, 2” star diagonal, 2” visual back, CGEM-style dovetail bar

The Celestron C14-AF XLT optical tube is a world-class instrument that delivers a level of detail to all your favorite deep sky objects. This observatory-ready instrument the largest in its class with over three times the light gathering power of an 8" telescope. With this OTA, you can see amazing detail on the surface of Jupiter, resolve details on the surface of Mars, see Cassini's Division in the rings of Saturn, and even the distant planets of Uranus and Neptune.

The C14 packs serious light gathering ability into its durable aluminum optical tube. It’s an ideal instrument for serious astrophotography, providing high-contrast views even at very high magnifications. It is equipped with Celestron’s patented StarBright® XLT optical coatings, which visibly increase contrast and light transmission for brighter deep space images and shorter exposure times.

The tube offers a focal ratio of f/11 with the added versatility of Fastar (see below). You can also pair it with the f/6.3 focal reducer for even more astroimaging options.

This flagship OTA can be mounted on a multitude of computerized telescope mounts thanks to its CGEM-style dovetail bar. It’s sure to take your visual observing and imaging to the next level.

 

Fastar Technology

In 1997, CCDs were making a name for themselves in the astrophotography world, quickly supplanting traditional film photography thanks to their speed and convenience. This was the year that Celestron joined forces with the Santa Barbara Instruments Group (SBIG) to produce Fastar, a revolutionary add-on to Celestron’s hugely popular Schmidt-Cassegrain (SCT) optical system.

With Fastar, the SCT’s secondary mirror can be removed and replaced with a field-flattening lens assembly (sold separately by third party manufacturers) so that a CCD camera can be used in the front of the telescope at the f/2 focus of the instrument’s primary mirror. The potential of the Fastar system is staggering: exposures are 25 times shorter than if the camera was placed at the instrument’s native f/11 focus. Imagers can capture galaxies and nebulae with exposures of just 30 seconds.

For more information about our Fastar technology, visit here

 

StarBright XLT coatings

StarBright XLT is Celestron’s revolutionary optical coating system. It consistently outperforms all other coatings in the commercial telescope market. There are three major components that make up our StarBright XLT high-transmission optical system design:

  • Unique enhanced multi-layer mirror coatings made from precise layers of aluminum, SiO2 (quartz), TiO2 (titanium dioxide), and SiO2 (silicon dioxide). Reflectivity is fairly flat across the spectrum, optimizing it for both imaging and visual observing.
  • Multi-layer anti-reflective coatings made from precise layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide). Hafnium—a rare element that costs nearly $2,000 per kilogram—gives us a wider band pass than the titanium used in competing coatings.
  • High-transmission water white glass is used instead of soda lime glass for the corrector lens. Water white glass transmits about 90.5% of light without anti-reflective coatings; that’s 3.5% better than uncoated soda lime glass. When water white glass is used in conjunction with StarBright XLT’s anti-reflective coatings, the average transmission reaches an astonishing 97.4.

These three components make StarBright XLT one of the finest coatings available. For more information about our patented StarBright XLT coatings, visit here.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

Items that have been opened, damaged or are otherwise unsaleable will be subject to a minimum 10% restocking fee, to be assessed by Telescopes Canada upon receipt of the returned goods

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Typographical Errors and Order Cancellations

Telescopes Canada reserves the right to cancel an order due to an error in pricing by Telescopes Canada or one of our suppliers, equipment being no longer obtainable, or other events which are out of our control.

Client-Initiated Cancellations

Client-initiated order cancellations are accepted prior to delivery of the equipment to the customer, thereafter it is a return.
Optical Design Schmidt-Cassegrain
Aperture 355.5mm (14")
Focal Length 3910mm (154")
Focal Ratio f/11
Focal Length of Eyepiece 1 40mm (1.57")
Magnification of Eyepiece 1 98x
Finderscope 9x50
Star Diagonal 2" with 1.25" adapter
Optical Tube Aluminum
Fastar Compatible Yes
Highest Useful Magnification 840x
Lowest Useful Magnification 51x
Limiting Stellar Magnitude 15.3
Resolution (Rayleigh) 0.39 arc seconds
Resolution (Dawes) 0.33 arc seconds
Light Gathering Power (Compared to human eye) 2581x
Secondary Mirror Obstruction 114mm (4.5")
Secondary Mirror Obstruction by Diameter 32%
Secondary Mirror Obstruction by Area 10%
Optical Coatings StarBright XLT
Optical Tube Length 787mm (31")
Optical Tube Diameter 400.5mm (15.77")
Optical Tube Weight 46 lbs (21 kg)
Dovetail CGE Dovetail Bar

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