Celestron CGX 800 SC
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Celestron CGX 800 SC

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Celestron CGX 800 SC Product description

  1. Advanced Schmidt-Cassegrain Design: The Celestron CGX 800 SC utilizes an 8-inch (203mm) Schmidt-Cassegrain optical system, a catadioptric construction that masterfully combines a spherical primary mirror and a secondary mirror with a corrective plate. This innovative design delivers a long focal length (2032mm) in a surprisingly compact tube, making it incredibly versatile for observing both planets and deep-sky objects, as well as for advanced astrophotography.

  2. StarBright XLT Coatings: This telescope features Celestron’s proprietary StarBright XLT optical coatings, which are multi-layered and engineered to maximize light transmission. This results in significantly brighter images and enhanced contrast, especially beneficial for observing faint celestial objects and for achieving excellent image quality in astrophotography.

  3. Superb Optical Clarity: The 8-inch aperture of the CGX 800 SC gathers ample light, revealing impressive detail on planetary surfaces, brilliant star clusters, and the intricate structures of nebulae and galaxies. Its f/10 focal ratio provides excellent magnification capabilities, making it a powerful instrument for detailed lunar and planetary observation.

  4. Robust and Versatile: Designed as an optical tube assembly (OTA), the CGX 800 SC allows users to pair it with their preferred mount. Its CGE-style dovetail ensures secure and stable attachment to a wide range of equatorial mounts, offering flexibility for both visual observing sessions and demanding long-exposure astrophotography setups.

ABOUT THE CELESTRON CGX 800 SC

The Celestron CGX 800 SC is a premium 8-inch Schmidt-Cassegrain optical tube assembly, renowned for its exceptional versatility and performance. As a catadioptric telescope, it ingeniously integrates both mirrors and a corrector lens to fold the optical path, providing a long focal length of 2032mm (f/10) within a remarkably compact and portable design. This makes it an ideal instrument for a wide range of applications, from detailed planetary observation and lunar studies to capturing stunning deep-sky astrophotography. Celestron's proprietary StarBright XLT optical coatings are applied to all optical surfaces, significantly enhancing light transmission and ensuring superb contrast and brightness in your views. Constructed with a durable aluminum tube, the CGX 800 SC offers robust performance and stability. Whether you're a seasoned amateur astronomer or an aspiring astrophotographer, this telescope excels by offering a powerful blend of aperture, focal length, and portability, making it a true workhorse for varied observing conditions, including urban environments where its compact size is a distinct advantage.

ABOUT CELESTRON

Founded in 1960 in Torrance, California, USA, Celestron has established itself as a global leader in optical instruments. The company is particularly known for its pioneering work in Schmidt-Cassegrain telescopes, which it popularized for the amateur astronomy market. Celestron’s product philosophy revolves around innovation, combining advanced optical designs with user-friendly technology. They are celebrated for introducing computerized GoTo mounts, making complex celestial navigation accessible to enthusiasts. Their reputation is built on delivering reliable, high-quality optics and robust mechanical components, earning the trust of astronomers worldwide through consistent performance and cutting-edge advancements.

MAIN FEATURES

  • Optical Design: 8-inch (203mm) Schmidt-Cassegrain (SCT) catadioptric telescope, combining mirrors and lenses for a compact design with a long focal length.

  • Aperture: 203mm (8 inches), providing excellent light-gathering capability for both deep-sky objects and planetary detail.

  • Focal Length: 2032mm, offering a powerful f/10 focal ratio ideal for high-magnification observation and astrophotography.

  • Mount Compatibility: Designed for serious visual observers and astrophotographers, compatible with robust equatorial mounts like the Celestron CGX, CGX-L, or other mounts supporting a CGE dovetail bar.

  • Weight: Optical tube assembly (OTA) is approximately 12.5 lbs (5.67 kg), making it relatively transportable for its aperture size.

  • Material: High-quality aluminum optical tube with Celestron's StarBright XLT coatings for maximum light transmission and clarity.

  • Dovetail Type: CGE-style dovetail bar for secure mounting to compatible equatorial mounts.

  • Compatibility: Comes with a 2-inch visual back and includes a 1.25-inch adapter, allowing use of both 1.25-inch and 2-inch eyepieces and accessories.

WARRANTY

This product is covered by a 2-year global warranty that includes defects in materials and manufacturing under normal use.

IN THE BOX

  • Celestron CGX 800 SC Optical Tube Assembly (OTA)

  • 25mm 1.25-inch Eyepiece

  • 1.25-inch Star Diagonal

  • 6x30 Finderscope and Bracket

  • CGE-style Dovetail Bar

  • Accessory Tray

General properties

Manufacturer Celestron
Telescope series Celestron CGX
Made in China
Warranty 2 years
SKU C823220

Optical properties

Optical design Schmidt Cassegrain
Lowest useful magnification. 29.00 x
Highest useful magnification. 480.00 x
Optical tube diameter 238
Optical tube length 432
Optical tube weight 5.67
Aperture. 203.20 mm
Focal length. 2032.00 mm
Focal ratio. £8.48
Focal Length of Eyepiece 1 25
Magnification of Eyepiece 1 81
Light gathering power. 843.00 x
Limitting stellar magnitude. £11.88
Resolution Rayleigh. 0.69 Arc seconds
Resolution Dawes. 0.57 Arc seconds

Reflector properties

Secondary mirror diameter. 64.00 mm
Secondary mirror obstruction by diameter. 31.00 %
Secondary mirror obstruction by area. 9.77 %

Recording properties

Image Capture -
Photo adapter -

Mounting properties

Mount type of build Computerized Equatorial
Tripod adaptable Yes
Tripod type Adjustable
Tripod material Aluminium
Minimal height. 47.25 inch (1200.15 mm)
Maximal height. 77.50 inch (1968.50 mm)

Navigation properties

Stellar navigation software -
GoTo Control -
GoTo Language -
GoTo control interfaces -
Alignment method 1-star, 2-star
GPS -
Tracking -
Tracking rates Lunar, Sidereal, Solar
Tracking Modes EQ North, EQ South
Slow motion controls -
Slew Speed Nine Slew Speeds
Communication Ports Multi AUX ports
Computer hand control 19 LED backlit buttons, 2 line x 18 character backlit Liquid Crystal Display, USB 2.0 port for PC connection

Physical properties

Power Supply -
Lens coating -
Eyepiece barrel diameter -
Eyepiece angle -
Barlow lens -
Total kit weight. 1562.99 oz (44.31 kg)
Color Black

Special features

Finderscope 6x30
Recommended for Intermediate
Suitable for observing Galaxies, Moon, Planets

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