Complaint
| 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% |
