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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
SKU:CE-C8AXLT-CGE
In stock
Quantity
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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
