Digital Night Vision Device Helmet HD Telescope American Monocular
Digital Night Vision Device Helmet HD Telescope American Monocular Specification. 1265.5cm Battery: Two AA battery(It is included). The objective lens plated film: Broadband multilayer purple film. Eyepiece plated film: Broadband multilayer blue film. Focusing System: Objective lens and eyepiece Focusing respectively. Lighting device: IR LCD. Objective lens diameter: 30mm. The farthest observation distance at night:… Read more Digital Night Vision Device Helmet HD Telescope American Monocular