Zeiss Carl Optical Inc Victory RF Binoculars (10x45 T RF) Victory binoculars offer advanced ergonomics and ideal balance, for comfortable use during prolonged observation 10x45 RF binoculars offer the line's renowned feature set, combined with incredibly accurate laser rangefinding Onboard calculator is sophisticated enough to allow you to select both ballistic curve and sight-in distance independently; LotuTec protective layer on lens surfaces 10X magnification, 45-millimeter objective diameter, 4.5-millimeter exit pupil, and 15.5-millimeter eye relief; Class 1 laser with ten-to-1,300-yard measuring range; measures 5.3 by 6.6 inches (W x D); 35-ounce weight Carl Zeiss products include warranties of lifetime on optical components; five years on electronic components; two years on camera components; and one year on carrying straps, lens caps, and similar accessories