OPO-31 | OPO-31F
TNPT-1 | OPO-31F
[ Classic observation devices ]
tactical and technical data
| Mass | 1,7 |
| Voltage supply | 27 V |
| Periscoposity [P] | - |
| Examples of appliance | BRDM-2 and its versions |
| Angle of vision in vertical plane | 75° |
| Angle of vision in horizontal plane | 40° |
| Light transmittance | |
|
75% |
|
45% |
| Laser light absorption | |
|
- |
|
> 10⁴ |
OPO-31 | OPO-31F
These prismatic observation devices are destined for assembly in tanks, combat cars, armoured vehicles etc. and they serve for terrain observation. They are adapted to exploitation in all atmospheric and terrain conditions.
Articles with symbols OPO are equipped with heating system.
Articles signed with letter F have the optical system which transmits light in the visible band and which absorbs the laser light that lenght is 1,064 nm.