AQT1037 Features: * Multi purpose unit * Hand held monocular * Hands free goggle (with optional head gear or helmet mount) * Night-time photography (with use of optional camera adapter) * Compact yet rugged design * Weapon mountable (with use of the optional weapon mount) * Waterproof * Magnification: 1x * Lens system Element: F1.2, 25 mm * Exit Pupil: 14 mm * Eye Relief: 25 mm * Eye use: Left or Right * FOV: 40 * Photo Cathode type: Multi-Alkali * Black and White image output * Resolution: 60-74 lp/mm-68 typical * Signal-to-Noise Ratio: 18-26-22 typical * 10,000-hour tube life * Range of focus: 0.25 m to infinity * Bright Light Indicator: Yes * Diopter Adjustment: -6 to +6 * ABC- Automatic Brightness Control Cut-off to Protect IIT: Yes * Controls: Digital * Infra-red Illuminator: Built-in rotary select-flood and spot * IR Illumination Range: 20 m * IR Indicator: LED ON/ Battery Low * Environmental rating: Waterproof 20 m, 1 hour * Operating Temperature: -40 +50 C * Storage Temperature: -50 +70 C * Flip Up Headset with Automatic System Off: Yes * Mil-Spec 810 Standards: Complies * Waterproof: 20 m for 1 hour Specifications: * Battery Life without IR ON: 30 hrs (AA), 60 hrs (3 V, Lithium) * Battery Life with IR ON Continuous: 30 hrs (3 V, Lithium) * Power supply: (1) 3 V Lithium, or (1) AA Alkaline Dimensions: * Width: 50 mm * Dimensions: 2.0"" H x 2.8"" W x 4.7"" D * Weight: 0.75 lb