3X42S binokulare Nachtsichtgerät

3X42S binocular night vision device Specification 1,Objective diameter Ø 42 mm 2,Magnification 3X F3,ield of view 18° 4,Resolution 200 – 250m (man figure can be identified under full moon without fog and dry condition) 5,Focusing range 1 m –∞ 6,Diopter setting range +5 -5 diopters 7,Exit pupil diameterØ 6mm 8,Exit pupil distance: 18mm 9,Power supply: DC3V Model No. CR-2W/C1B 10,Operation time: about 40 hours 11,Distance of the infrared light source: 30 m 12,Operation temperature -10°C 50°C 13,Storage temperature 0°C 50°C 14,Weight 1000g 15,Overall dimensions 180mm×120mm×60mm