80ED Refractor
Item #: 52280Description
Specifications
General | |
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Aperture: | 80mm (3.15") |
Focal Length: | 600mm (24") |
Focal Ratio: | f/7.5 |
Focal Length of Eyepiece 1: | 25mm (0.98") |
Magnification of Eyepiece 1: | 24x |
Finderscope: | 6x30 Erect image |
Highest Useful Magnification: | 189x |
Lowest Useful Magnification: | 11x |
Limiting Stellar Magnitude: | 12 |
Resolution (Rayleigh): | 1.74 arc seconds |
Resolution (Dawes): | 1.45 arc seconds |
Light Gathering Power (Compared to human eye): | 131x |
Apparent Field of View: | 2.2° |
Linear Field of View (@1000 yds): | 114 ft (35 m) |
Eye Relief: | 20mm (0.79") |
Close Focus: | 28 ft (8.53 m) |
Optical Coatings: | Fully Multi-Coated |
Optical Tube Length: | 584mm (23") |
Weight: | 72 oz (2041 g) |
Camera Adaptable: | Built-in T-thread on focuser |