
Optical Design | Dall-Kirkham |
Aperture | 180 mm |
Focal Length | 2160/1760 mm |
Focal Ratio | f/12.0/9.8 |
Image Circle | 30 mm |
Limiting Stellar Magnitude | 13.0 |
Resolution | 0.64" |
Light Gathering Power | 661x |
Tube Length | 625 mm |
Tube Diameter | 210 mm |
Tube Weight | 13.7 lbs. (6.2 kg) |
Tube Assembly | Aluminum |
Focuser | Internal primary mirror |
Warranty | 5 years |