Steiner 15x80 M1580c Military Binocular with compass - for target observation, gunfire control and plotting of distant locations. It is with HD stabilized compass and range reticle for determining distance and direction of distant targets or objects. The 80-mm objective lenses, combined with Steiner's legendary optics, deliver far superior low-light performance. These are Mil-spec tough: totally waterproof, shock resistant, and rubber armored. Depth of field is 60 yards out to infinity once focused for your eyes. Tripod mount included. Field of view 213 Ft/1000 yards, eye relief 11.2 mm. By Steiner.