Night vision pnv 57 device original soviet union tankman helmet, goggles and case. With all accesories, (as shown) write for more details.. Night-vision device Original Soviet Union USSR Tankman Tank Cap Helmet. The PNV-57E device is intended for use at night in conditions of natural illumination from the sky, the moon and stars from 0.003-0.005 lux (lux) and above. Purpose of the device: in the army it is used mainly for driving cars, landing craft, helicopters, boats. It is included in the combat equipment of the Mi24 helicopter and various types of armored vehicles. The ...