FirstScope 70EQ Telescope
Item #: 21076Description
Specifications
General | |
---|---|
Optical Design: | Refractor |
Aperture: | 70mm (2.76") |
Focal Length: | 900mm (35") |
Focal Ratio: | f/13 |
Focal Length of Eyepiece 1: | 20mm (0.8") |
Magnification of Eyepiece 1: | 45x |
Focal Length of Eyepiece 2: | 10mm (0.4") |
Magnification of Eyepiece 2: | 90x |
Finderscope: | StarPointer™ red dot finderscope |
Star Diagonal: | 1.25 |
Mount Type: | Equatorial |
Accessory Tray: | Round, Thread-in |
Tripod: | Aluminum |
Highest Useful Magnification: | 165x |
Lowest Useful Magnification: | 10x |
Limiting Stellar Magnitude: | 11.7 |
Resolution (Rayleigh): | 1.99 arc seconds |
Resolution (Dawes): | 1.66 arc seconds |
Light Gathering Power (Compared to human eye): | 100x |
Apparent Field of View: | 0.9° |
Linear Field of View (@1000 yds): | 48 ft (15 m) |
Optical Coatings: | Fully Coated |
Optical Tube Length: | 762mm (30") |
Total Telescope Kit Weight: | 17 lbs (7.71 kg) |