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Celestron

Celestron C8-A XLT CGE Optical Tube Assembly

Celestron C8-A XLT CGE Optical Tube Assembly

Regular price $1,399.95 USD
Regular price Sale price $1,399.95 USD
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SKU:CE-C8AXLT-CGE

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PRODUCT DESCRIPTION

The Celestron C8-A XLT CGE Optical Tube Assembly is a high-performance 8-inch Schmidt-Cassegrain OTA built to offer both deep-sky and planetary excellence in a compact, portable form. It’s compatible with a wide range of heavy-duty mounts via the CGE dovetail bar, and features Celestron’s renowned StarBright XLT optical coatings for maximum light transmission and clarity.

  • Excellent for intermediate and advanced astronomers who already own a CGE-compatible mount
  • 8-inch Schmidt-Cassegrain design provides outstanding reach for galaxies, nebulae, and planetary surfaces
  • 2032 mm focal length and f/10 ratio deliver high magnification potential with a compact optical tube
  • StarBright XLT coatings increase brightness, contrast, and clarity across a wide spectral range
  • View all Messier objects and explore NGC, IC, and Caldwell targets in stunning detail
  • Capable of planetary detail, including Saturn’s rings, Jupiter’s bands, and Martian surface features
  • Compatible with CGE Pro, CGEM, Losmandy G-11, newer GM-8, Paramount, and Astro-Physics mounts
  • Not compatible with CG-5, older GM-8s, Meade LXD55 or LXD75 mounts
  • Precision optical components and a rugged aluminum OTA housing ensure reliable performance over time

This optical tube assembly is a versatile and proven performer for users seeking deep-sky reach and planetary sharpness in a trusted SCT platform. Whether used visually or with imaging accessories, it delivers serious performance in a lightweight design.

TECHNICAL SPECIFICATIONS
Feature Specification
Aperture 203 mm (8")
Focal Length 2032 mm
Focal Ratio f/10
Optical Design Schmidt-Cassegrain (SCT)
Optical Coatings StarBright XLT
Light Gathering Power 843x
Limiting Magnitude 14.0
Highest Useful Magnification 480x
Lowest Useful Magnification 29x
Resolution (Rayleigh) 0.69 arcseconds
Resolution (Dawes) 0.57 arcseconds
Secondary Obstruction 64 mm (2.5")
Obstruction by Diameter 31%
Obstruction by Area 9.77%
OTA Length 432 mm (17")
OTA Diameter 238 mm (9.37")
OTA Weight 12.5 lbs
OTA Mount Type CGE Dovetail
Warranty 2-Year Warranty
WHAT’S IN THE BOX?
  • Celestron 8-inch Aluminum Optical Tube Assembly (OTA)
  • 6x30 Optical Finderscope
  • 1.25-inch Eyepiece (25 mm, 81x Magnification)
  • 1.25-inch Star Diagonal
  • CGE Dovetail Mounting Plate
  • 2-Year Warranty Documentation
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