Rugged 50mm Night Vision Monocular
5x Magnification for better image resolution. High-quality generation-1 image intensifier tube. Infrared illuminator to use in complete darkness. Improved target recognition in any environment. Objective and ocular lenses made of hi-quality all-glass optics. Manual focus. Rubberized and impact-resistant finish. Field of view: 39ft wide at 200ft. 50mm Lens diameter. Requires one 3 volt Type-123 lithium battery (not included).