AGM NVG-50 Night Vision Goggles. The AGM NVG-50 Night Vision Goggles are offered in Gen 3+ white phosphor or Gen 3+ Level 1. This dual tube night vision system has a 50° field of view. This allows for a large visual field without needing to move your binoculars. It is built with advanced multi coated optics and a compact composite housing. The NVG-50 uses a single AA alkaline battery or CR123A battery, and can run up to 20 hours. It also has an integral infrared illuminator so you can read in the dark. AGM NVG-50 Night Vision Goggles Features. Wide 50° field of view. Head or ...