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-7