Binocular telescope night vision have been used for hundreds of years to help people see things from afar. In past times this was essential to prepare for battle on land or at sea and to make every hunt more successful, whether for pleasure or necessity. Binoculars can play a part at sea and in hunting, perhaps even in watching sports.
| |
| Product | Night vision binocular |
| Model | DA NVB |
| Magnification, x | 5 |
| Field of view, deg | 20° |
| Len system | 86mmF/1.2 |
| Interpupillary distance, mm | 57-72 |
| Focus range, m/in | 8.0/8.8" to infinity m/in |
| Eye relief distance, mm | 15 |
| Diopter setting, D | +5,-5 |
| Overall dimensions, mm | 225x150x60 |
| Weight w/out headgear, g/oz | 1600/56.44 |
| Power supply | 2CR123 BATTERIES,3V |
| Estimated battery life w/out IR, 73 °F, hour | Up to 20 |
| GEN II Image Intensifier Tubes |
| Classification | OMNI II |
| Photocathode type | 18mm S-25 |
| Photocathode sensitivity, typical, uA/lm | ≥550 |
| Resolution, typical, Ip/mm | 48-58/57-64/60-72 |
| Luminous gain, typical, fl/fcd | 19000-25000 |
| Signal-to-noise ratio, typical | 20:1 or better |
| FOM, typical | 1150-1350 |
| Tube reliability standard, hour | 10000 |
| Environment Data |
| Operating temperature, °C/°F | -40°to +50°/ -40°to +122° |
| Storage temperature, °C/°F | 0°to +50°/ 32°to +122° |
| Immersion, hour | 2 meter for 1.0 (Optional) |
| Humidity , % | Up to 98%
|
