GPO Rangeguide Rangefinding Binoculars - 10x40 - Explore the forefront of optical innovation with the GPO RANGEGUIDE 10×40 Rangefinding Binoculars, a testament to GPO’s commitment to pioneering high-performance optics. Immerse yourself in awe as you compare these binoculars to any European optic, unveiling GPO’s unparalleled optical precision and modern electronic rangefinding technology meticulously encapsulated within this compact 40mm ensemble. The heart of these binoculars lies in the 40mm objective lens, meticulously crafted and enhanced with GPObright high-transmission lens coatings. This symbiotic fusion of advanced coatings and optimal lens size ensures exceptional brightness, even in challenging low-light conditions. Moreover, the GPO RANGEGUIDE is crafted with a magnesium body and fortified by a rubber armor coating, guaranteeing the binoculars’ resilience against harsh environments and conditions. The ranging capabilities will reach out to 3500 yards or as close as 6 yards and provide a lightning fast response time of .25 seconds. When the pursuit of spotting game and accurately determining distance is paramount, the GPO RANGEGUIDE stands as your unparalleled winning ticket. This exceptional fusion of optical brilliance and state-of-the-art rangefinding technology is fortified by GPO's enduring commitment to excellence, epitomized by the Spectacular Lifetime Warranty. Specifications: Exit Pupil Diameter: 4.0mm Housing: Magnesium Close Focus: 16ft Interpupilary Distance: 58-78mm Diopter Adjustment range: +4/-4 Waterproof: 100 mbars Transmission Daylight: 0.87 H xW xL: 2.3in x 5.0in x 5.2in Occular Diameter: 20mm Features: Ranging capability from 6 yards to over 3,500 yards True-range angle technology Scan mode that provides three readings per second Temperature readings for long-range shooting OLED display with nine brightness settings Auto display brightness feature Double HD glass technology GPObright lens coating technology Waterproof and fog proof PASSIONdrop hydrophobic coating Humidity and barometric pressure readings Included Accessories: Neoprene neck strap Microfiber cleaning cloth Ocular and objective lens covers Hard case CR-2 Battery