Nikon 16741 20X120 IV Telescopic Binocular w/Fork MountThe Nikon 20x120 IV Telescopic Binocular w/Fork Mount 16741 delivers premium optical performance for any long-range observation activity, whether on land or on a boat. This Nikon telescopic binocular 20x120 functions similarly to a traditional spotting scope but allows the user to view images with both eyes open. The result is higher quality, three-dimensional images with more brightness, contrast, and accurate color reproduction, with reduced eye fatigue. Nikon 16741 also features a long, 20.8mm eye relief, providing a considerable field of view of 156 feet @ 1000 yards. Its robust all-metal construction ensures the Nikon 20x120 IV professional binoculars are immune to rain, humidity, thermal shock, and corrosion. Perfect for stargazing, marine applications, or professional long-range observation, the Nikon 20x120 IV astronomical binocular is built to excel in any environment. Features of the Nikon 20x120-IV Binocular Telescope: Yoke-style mount with 360 of rotation All-metal bodyIndividual focus eyepiece Waterproof Fog-proof Shock-resistant Nikon 20X120 IV Telescopic Binocular w/Fork Mount 16741