Leica Geovid R 8x42mm Rangefinder Binocular LED Black. Their high contrast and edge-to-edge image sharpness ensure identification of even the smallest details. Specifications for Leica Geovid R 8x42mm Rangefinder Binocular: Manufacturer: Leica Magnification: 8 x Objective Lens Diameter: 42 mm Color: Black Maximum Range: 2000 yds Rangefinder Application: Hunting Range Response Time: 0.3 seconds Battery Type: Lithium CR2 Battery Life: 2000 hours Weight: 33.5 oz Width: 6.8 in Length: 4.9 in Minimum Focus Distance: 18 ft Diopter Adjustment Range: -4 - 4 dpt Optical Coating: HDC Twilight Factor: 18.3 Eye Relief: 18.5 mm Field of View Linear: 368 ft at 1000 yds Exit Pupil: 5.25 mm Interpupillary Distance: 58 - 74 mm Operating Temperature: -20 - 55 Celsius Accuracy: +/- 1 Wavelength: 900 nm Condition: New Finish: Matte Water Resistance Level: Waterproof Laser Divergence: 2.5 MRAD Minimum Range: 10 yds Field of View Angle: 7.2 degrees Features of Leica Geovid R 8x42mm Rangefinder Binocular The brightness of the LED display adjusts automatically to ambient lighting conditions and shows the measured distance values with optimum brightness and clarity in all conditions. Package Contents: Leica Geovid R 8x42mm Rangefinder Binocular Leica 40811: Geovid R 8x42mm Rangefinder Binocular LED Black