Night Owl 5X Monocular National Geographic Elite Edition

Two-piece, rubber-coated body Ergonomic design for comfortable handling Easy to use and operate Built-in, high-quality Infrared Illuminator Auto-gain control to eliminate negative effects of bright light Four-piece objective and five-piece ocular, all-glass element, camera-quality 3x lenses Soft touch On/Off and I/R control buttons Intensifier Tube Generation: Gen 1 Elite Magnification: 5.0x Range of View (ft): 650 ft. Range of View (m): 200 m. Resolution (lp / mm): 24 Spectral Sensitivity (nm): 400-900 nm. Power Supply: 2 AA Batteries Weight: 24 oz. (680 g.) Dimensions: 7.6 L x 3.4 W x 2.9 H (inches) Operating Temp: -22 Fahrenheit to + 113 Fahrenheit Objective Lens Focal Length: 80 mm Aperature 1:1.7 FOV @ 1000 yards: 524 ft. FOV @ 1000 meters: 160 m. Focusing Range: 10 ft (3 m) + Material: Glass Number of Elements: 4 Ocular Lens Focal Length (eye relief): 12 mm. Diopter Adjustment: -4 to +4 Material: Glass Number of Elements: 5