C90 Mak Spotting Scope (D)
Item #: 52265Description
Specifications
General | |
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Aperture: | 90mm (3.54") |
Focal Length: | 1200mm (47") |
Focal Ratio: | f/13 |
Angle: | 0 or 45° |
Focal Length of Eyepiece 1: | 32mm (1.26") |
Magnification of Eyepiece 1: | 38x |
Finderscope: | 8x21 |
Carrying Case: | Foam Case |
Highest Useful Magnification: | 213x |
Lowest Useful Magnification: | 13x |
Limiting Stellar Magnitude: | 12.3 |
Resolution (Rayleigh): | 1.55 arc seconds |
Resolution (Dawes): | 1.29 arc seconds |
Light Gathering Power (Compared to human eye): | 165x |
Apparent Field of View: | 1.4° |
Linear Field of View (@1000 yds): | 73 ft (22 m) |
Eye Relief: | 22mm (0.87") |
Close Focus: | 20 ft (6.1 m) |
Optical Coatings: | Multi-Coated |
Optical Tube Length: | 229mm (9") |
Weight: | 50 oz (1417 g) |
Camera Adaptable: | Optional T-Adapter |
Tripod Adaptable: | Yes |
Support & Downloads
Other Product Files: |
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Difference Between Roof Prism and Porro Prism Spotting Scopes |