Optical Design | Schmidt-Cassegrain |
Aperture | 150mm (6") |
Focal Length | 1500mm (59") |
Focal Ratio | f/10 |
Focal Length of Eyepiece 1 | 25mm (0.98") |
Magnification of Eyepiece 1 | 60x |
Finderscope | 6x30 |
Star Diagonal | 1.25" Star Diagonal |
Optical Tube | Aluminum |
Highest Useful Magnification | 354x |
Lowest Useful Magnification | 21x |
Limiting Stellar Magnitude | 13.4 |
Resolution (Rayleigh) | 0.93 arc seconds |
Resolution (Dawes) | 0.77 arc seconds |
Light Gathering Power (Compared to human eye) | 459x |
Secondary Mirror Obstruction | 56mm (2.2") |
Secondary Mirror Obstruction by Diameter | 37% |
Secondary Mirror Obstruction by Area | 14% |
Optical Coatings | StarBright XLT |
Optical Tube Length | 406mm (16") |
Optical Tube Diameter | 180mm (7.12") |
Optical Tube Weight | 10 lbs (4.54 kg) |
Dovetail | Vixen/CG-5 Dovetail bar |