Used - C11 Optical Tube Assembly (CGE Dovetail)
$3,199.95
$2,699.97
Contiguous USA only
Please note: This is a gently used item. For complete product details, specs, and extras, please visit the original product page.
Gently Used, Fully Trusted
At Celestron, we believe the cosmos should be within everyone’s reach. That’s why our gently used items have been rigorously inspected and are in full working order—even if they show a few signs of past adventures. When you purchase this product, you’ll also enjoy the same comprehensive warranty as our new items, giving you confidence and peace of mind to explore the night sky.
Clear skies and happy stargazing!
Overview
Please note: This is a gently used item. For complete product details, specs, and extras, please visit the original product page.
Gently Used, Fully Trusted
At Celestron, we believe the cosmos should be within everyone’s reach. That’s why our gently used items have been rigorously inspected and are in full working order—even if they show a few signs of past adventures. When you purchase this product, you’ll also enjoy the same comprehensive warranty as our new items, giving you confidence and peace of mind to explore the night sky.
Clear skies and happy stargazing!
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Description
Specifications
| Optical Tube Info: | |
|---|---|
| Optical Design: | Schmidt-Cassegrain |
| Aperture: | 279.4mm (11") |
| Focal Length: | 2800mm (110") |
| Focal Ratio: | f/10 |
| Focal Length of Eyepiece 1: | 40mm (1.57") |
| Magnification of Eyepiece 1: | 70x |
| Finderscope: | 9x50 |
| Star Diagonal: | 1.25" Star Diagonal |
| Optical Tube: | Aluminum |
| Highest Useful Magnification: | 660x |
| Lowest Useful Magnification: | 40x |
| Limiting Stellar Magnitude: | 14.7 |
| Resolution (Rayleigh): | 0.5 arc seconds |
| Resolution (Dawes): | 0.42 arc seconds |
| Light Gathering Power (Compared to human eye): | 1593x |
| Secondary Mirror Obstruction: | 95mm (3.75") |
| Secondary Mirror Obstruction by Diameter: | 34% |
| Secondary Mirror Obstruction by Area: | 12% |
| Optical Coatings: | StarBright XLT |
| Optical Tube Length: | 610mm (24") |
| Optical Tube Diameter: | 312.42mm (12.4") |
| Optical Tube Weight: | 27.5 lbs (12.4 kg) |
| Dovetail: | CGE Dovetail Bar |
| Solar Warning |
|
| California Residents | View Proposition 65 Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
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FAQ
What is the heaviest recommend load for mounting a camera in the Fastar / HyperStar configuraton?
We recommend a load of no more than 33 lbs. at 5.0 inches away from the 11" Schmidt corrector.
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