Celestron
USED - C8 Evolution Optical Tube
- Regular price
-
$ 1,700.00 - Sale price
- $ 1,275.00
- Unit price
- per
Only 1 Left!
In StockUSED GEAR INFORMATION
This telescope is in great condition. The optics are extremely clean and the optical tube has very few blemishes.
Sale includes Celestron 8" schmidt-cassegrain OTA ($1400 value), ZWO EAF ($199 value), Celestron 40mm eyepiece ($20 value), Antares 0.63x Reducer/Corrector, ($90 value), and Celestron T-adapter-SC ($35 value).
This sale does not include a telescope mount, so one will need to be purchased separately if you do not own one already.
Description
- 8" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- 2032 mm focal length (f/10)
- Visual back allows for use with 1.25" accessories
- 6x30 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
Specifications
| Optical Design | Schmidt-Cassegrain |
| Aperture (mm) | 203.2 mm (8") |
| Focal Length | 2032 mm (80") |
| Focal Ratio | 10 |
| Finderscope | 6x30 |
| Star Diagonal | 1.25 |
| 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 | 64 mm (2.5") |
| Secondary Mirror Obstruction by Diameter | 31% |
| Secondary Mirror Obstruction by Area | 9.77% |
| Optical Tube Length | 432 mm (17") |
| Optical Tube Weight | 12.5 lbs (5.67 kg) |
| Dovetail Compatibility | CG-5 Mount (Vixen) |
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.
