
USED 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" OTA ($1400 value), Pegasus focus cube ($220 value), TeleVue 3x barlow ($141 value), Celestron 0.63x focal reducer/corrector ($200 value), Pelican 1660 case ($515 value), Losmandy dovetail plate, AstroZap dew heater and dew shield, Bahtinov focusing mask, two original star diagonals, T-to-C adapter, T-adapter, M42 30mm extension tube, original 25mm eyepiece, and Borg filter holders.
Focus cube does not come with other mounting gear. The data cable to control it is included, but otherwise only what is pictured is included. Standard rubber focus knob for the OTA is included.
This sale does not include a telescope mount, so one will need to be purchased separately if you do not own one already.
This is a heavy and bulky item, so in person pickup is recommended as shipping costs will be high.
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 |

Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.