The Razor HD MRAD lens with builtin scale allows you to accurately determine the distance to the target. Designed specifically for the generation of Razor HD 2760 85 mm observation binoculars, the Razor HD wideangle lens with 22x magnification provides a much wider field of view than the 2060x version, and also the est image resolution to the constant magnification. The grid on the optics, expressed in MRAD, allows the calculation of distance correction and wind corrections.The use of selected HD glass ensures extremely resolution, minimizes chromatic aberration, extremely faithful color reproduction and sharpness of the image from edge to edge.All glassair surfaces are coated with a premium XR antireflection coating , which excellent light transmission and perfect brightness and clarity. ArmorTek's ultrahard outer coatings protect the optics from scratches, grease and dirt.The optics are also sealed with Orings to prevent moisture, dust and other contaminants from entering the lens. The argon filling water resistance (protection against rain and fog) and prevents internal evaporation SPECIFICATIONSPage informationGas refill ArgonAngular field of view [] 2.5Linear field of view at 1000 m [m] 39.7Distance from eye [mm] 31Magnification [] 22DimensionsTotal length [mm] 79Weight [g] 326Objective diameter [mm] 85