Optical Design |
Refractor |
Aperture |
60mm (2.36″) |
Focal Length |
700mm (28″) |
Focal Ratio |
12 |
Focal Length of Eyepiece 1 |
20mm (0.79″) |
Magnification of Eyepiece 1 |
35x |
Focal Length of Eyepiece 2 |
4mm (0.16″) |
Magnification of Eyepiece 2 |
175x |
Finderscope |
5×24 |
Star Diagonal |
1.25″ Erect Image Diagonal |
Highest Useful Magnification |
142x |
Lowest Useful Magnification |
8.57x |
Limiting Stellar Magnitude |
11.4 |
Resolution (Rayleigh) |
2.32 arc seconds |
Resolution (Dawes) |
1.93 arc seconds |
Light Gathering Power (Compared to human eye) |
73x |
Optical Coatings |
Fully-Coated |
Optical Tube Length |
711mm (28″) |
Barlow Lens |
3x |