Soviet device for night observation of objects in open areas PN 3 USSR
Soviet device for night observation of objects in open areas PN – 3 USSR 1991. Izyum Instrument-Making Plant named after Dzerzhinsky. Vision range : not less than 60 m; Magnification: 1.4x; Lens focusing limit for sharpness: from 1.5m to infinity; Resolution limit: 30 lines / mm; Eyepiece diopter adjustment: ± 4 diopters; Supply voltage: 12V;… Read more Soviet device for night observation of objects in open areas PN 3 USSR