Luna Optics is proud to offer one of the smallest night vision goggles on the market - PBG1 is a versatile multipurpose device that can be used as night vision binocular by removing headgear. Whether using it as a compact binocular, or lightweight goggles, you can be assured of top quality, performance and reliability. Unit features weather-resistant all-aluminum body, built-in IR illuminator and a bright light protection sensor. LN-PBG1 comes standard with the comfortable head-mount and padded multi-compartment carry case. Built-in infrared illuminator allows use in complete darkness. When used as goggles, the unit can be quickly removed from the head mount, or you may flip the unit up with the push of a button without having to remove them from the head mount. Generation 1+ Magnification 1x Range of View (ft) 455 Resolution lp/mm Max 35 Spectral sensitivity nm 400-900 Power Supply 2 (N-Size) Weight (oz) 14 Dimensions (in) 4.3x4.2x2.0 Operating Temp (F) 14° to 104° Operating Time 30 hours Focal Length (mm) 26 Aperture 1:1.4 FOV(degrees) 30 Focal Length - eye relief (mm) 13 Interocular Distance 64 Diopter Adjustment - 4 to + 4 Warranty (years) 1