美军使用的夜视镜 （ATN的第三代产品）

Product Description
Night Optics USA AN-PVS-7-3ST Generation 3 US Military Issue Night Vision Goggles Image Intensifier: Generation 3 US Standard grade. Minimum resolution 51 lp/mm (64 lp/mm max) This combat-proven unit is the most recognized night vision device in the world! The AN/PVS-7 provides exceptional gain and resolution in the darkest conditions. Its single tube bi-ocular design features Mil Spec optics and housing user friendly controls built-in IR illuminator and internal low battery and IR indicators. Optional accessories make the AN/PVS-7 extremely versatile. For increased detection range a 3x or 5x Mil Spec Afocal lens can be added and a range of external IR Illuminators and an IR Flood/Spot Lens are availible to illuminate distant objects. A magnetic compass can be attached to the device to superimpose compass headings on the night vision image to enhance the AN/PVS-7s already powerful long-range night observation capabilities. Specifications: Image Intensifier: Generation 3 US Standard Resolution: 51-64 lp/mm Magnification: 1x (3x or 5x optional) Lens System: 26 mm f1.2 FOV: 40° @ 1000 yards 2184' Range of Focus: 10' to infinity Detection Range: 1148' / 350 meters  Recognition Range: 984' / 300 meters Diopter Adjustment: +4 to -6 Weather Resistant: Waterproof 3' for 30 min