Optical Design | Fluorite Doublet Apochromat |
Aperture | 60 mm |
Focal Length | 355 - 600 mm dependent on reducer or extension used |
Focal Ratio | f/5.9-10.0 dependent on reducer or extension used |
Image Circle | 40 - 44 mm dependent on reducer or extension used |
Limiting Stellar Magnitude | 10.7 |
Resolution | 1.93" |
Light Gathering Power | 73x |
Back Focus | 162.0 mm |
Tube Length | 440 mm |
Tube Diameter | 80 mm |
Tube Weight | 3.1 lbs. (1.4 kg) |
Tube Assembly | Aluminum |
Focuser | Rack and Pinion |
Focuser Speed | Single Speed |
Focuser Size | 2.4" |
Warranty | 5 years |