OPTICAL TUBE INFO: | |
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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: | CG-5 Dovetail bar |
Solar Warning |
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