OPO-170FN - night vision
[ Day-night periscope ]
tactical and technical data
| Angle of vision in vertical plane | 23° |
| Angle of vision in horizontal plane | 94° |
| Visible light transmittance | ≥ 30% |
| Periscoposity [P] | 162 mm |
| Absorption of the laser light wave of length | 800 ÷ 1200 nm |
| Absorption of laser light in band (800 ÷ 1200 nm) | ≥ 10⁴ |
| Angle of vision of the night sight | 30° |
| Magnification of the night sight | 1x |
| Dimensions: height x width | 231 x 204 mm |
| Dimensions of fixing hole | 196 x 45 mm |
| Height of the top part of the periscope | 101 mm |
| Voltage of supply | 27 V |
OPO-170FN - night vision
The OPO-170N observation device is a new generation periscope which combines classic functions of a day observation periscope and night vision observation device and enables observation in bad visibility conditions. The OPO-170N is one device which can be used at day as well as at night whithout the neccessity of disassembling day and night unit depending on the visibility and light conditions.
The OPO-170N periscope is equipped with high quality passive night vision module, heated windows and has the optical system, which transmits light in the visible band and absorbs the laser light wave of the lenght 800-1200 nm.
The OPO-170N is designed for assembly in tanks, combat cars, armoured vehicles, etc.