The ALPHA OPTICS PVS-7 Night Vision Goggles is a high-quality mono tube bi-ocular night vision goggle system. The Gen 2+ or Gen 3 image intensifier tube features Automatic Brightness Control (ABC) which automatically adjusts the brightness of the image tube to achieve the highest quality image resolution under varying light conditions as well as a built-in infra-red illuminator which allows the user to operate under zero light conditions. The device is auto-gated to prevent image intensifier damage if exposed to intense light. They are waterproof and charged with nitrogen to prevent internal condensation while moving between extreme temperatures. Additional features include IR-On and Low-Battery Indicators. Image clarity is achieved by focusing the front objective while each eyepiece can be independently adjusted for eyesight correction. An IR illuminator is integrated into the system for use in extreme low light conditions. Lightweight and versatile the device can be hand-held head-mounted and helmet-mounted. Optional fully adjustable headgear allows the device to be flipped-up or quickly detached from the mask. Optional Long-Range objectives convert ALPHA OPTICS PVS-7 into a useful field binoculars.