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Celestron C8 Optical Tube Assembly (CGE Dovetail)
Celestron C8 Optical ...
AED 5,400.00


Celestron C8 Optical Tube Assembly (CGE Dovetail)

Free Shipping Delivery charges waived off for purchase above AED 200.00 within UAE*
Check for Availability Kindly check with us before completing purchase process. The stock level could be critical.
#91024-XLT

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Product Highlights

  • 8" Schmidt-Cassegrain optical tube assembly (OTA)
  • Features Celestron's premium patented StarBright XLT optical coatings
  • 2032 mm focal length (f/10)
  • Fastar compatible
  • Tube constructed of durable and lightweight aluminum
  • Includes: 25mm eyepiece (81x), 6x30 optical finderscope, star diagonal, 1.25” visual back, CGEM style dovetail bar
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Celestron C8 Optical Tube Assembly (CGE Dovetail)

Free Shipping

AED 5,400.00

Save 44%
AED 9,700.00

AED 5,400.00

QTY
AED 9,700.00
Save 44%
Total
AED 5,400.00

#91024-XLT

Check for Availability Kindly check with us before completing purchase process. The stock level could be critical.

Deal Alert

Price Match

Product Highlights

  • 8" Schmidt-Cassegrain optical tube assembly (OTA)
  • Features Celestron's premium patented StarBright XLT optical coatings
  • 2032 mm focal length (f/10)
  • Fastar compatible
  • Tube constructed of durable and lightweight aluminum
  • Includes: 25mm eyepiece (81x), 6x30 optical finderscope, star diagonal, 1.25” visual back, CGEM style dovetail bar

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The Celestron C8-A is the direct (but much improved) descendent of Celestron’s revolutionary C8 that transformed the hobby of astronomy when it was unveiled in 1970. This rugged aluminum optical tube is only 17 inches long and weighs just 13 pounds, making it easy to transport and set up. But the views are much more impressive than what you’d expect from such a compact instrument. The tube offers 2032 mm of focal length and a focal ratio of f/10, with the added versatility of Fastar (see below).

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. With StarBright XLT, you’ll be able to discern subtle details while viewing the Moon and planets as well as faint galaxies and nebulae.

The Celestron C8-A can be mounted on a multitude of computerized telescope mounts thanks to its CGEM style dovetail bar. This iconic optical tube provides the best balance of portability, handling ease, light gathering ability and price ever offered to the amateur astronomer.

 

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/10 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
OPTICAL TUBE INFO:  
Optical Design Schmidt-Cassegrain
Aperture 203.2mm (8")
Focal Length 2032mm (80")
Focal Ratio f/10
Focal Length of Eyepiece 1 25mm (0.98")
Magnification of Eyepiece 1 81x
Finderscope 6x30
Star Diagonal 1.25" Star Diagonal
Optical Tube Aluminum
Highest Useful Magnification 480x
Lowest Useful Magnification 29x
Limiting Stellar Magnitude 14
Resolution (Rayleigh) 0.69 arc seconds
Resolution (Dawes) 0.57 arc seconds
Light Gathering Power (Compared to human eye) 843x
Secondary Mirror Obstruction 64mm (2.5")
Secondary Mirror Obstruction by Diameter 31%
Secondary Mirror Obstruction by Area 9.77%
Optical Coatings StarBright XLT
Optical Tube Length 432mm (17")
Optical Tube Diameter 238mm (9.37")
Optical Tube Weight 12.5 lbs (5.67 kg)
Dovetail CGE Dovetail Bar
  • 8" Schmidt-Cassegrain optical tube assembly (OTA)
  • Features Celestron's premium patented StarBright XLT optical coatings
  • 2032 mm focal length (f/10)
  • Fastar compatible
  • Tube constructed of durable and lightweight aluminum
  • Includes: 25mm eyepiece (81x), 6x30 optical finderscope, star diagonal, 1.25” visual back, CGEM style dovetail bar

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    Note : Specifications are subject to change without notice. Images are for illustration only. Selling price (RRP): Manufacturer's recommended retail price.

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