Tính năng kỹ thuật ống nhòm
- Waterproof (up to 2m/6.6 ft. for 5 minutes) and fog-free with nitrogen gas
- All lenses and prisms are multilayer-coated for the brightest images
- Rubber armouring for shock resistance and a firm, comfortable grip
- High-eyepoint design for a clear field of view even for wearers of eyeglasses
- Built-in compass and scale to ascertain subject direction, and distance or size (7x50IF WP Compass)
- Can be fixed to a tripod using optional tripod adaptor
Specifications
| Magnification (x) | 7 |
| Objective diameter (mm) | 50 |
| Angular field of view (Real/degree) | 7.0 |
| Angular field of view (Apparent/degree) | 46.4 |
| Field of view at 1,000m (m) | 122 |
| Exit pupil (mm) | 7.1 |
| Relative brightness | 50.4 |
| Eye relief (mm) | 18.0 |
| Close focusing distance (m) | 25.0 |
| Weight (g) | 1,210 |
| Length (mm) | 181 |
| Width (mm) | 203 |
| Interpupillary distance adjustment (mm) | 56-72
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