• Waterproof (up to 1m/3.3 ft. for 10 minutes) and fog-free with nitrogen gas • High-eyepoint design provides a clear field of view, even for eyeglass wearers • Multilayer coated lenses for brighter images • Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint • Eco-glass optics that are free of lead and arsenic are used for all lenses and prisms Magnification 10 Objective Diameter (mm) 50 Exit Pupil (mm) 5 Eye Relief (mm) 19.6 Weight (g) 825 Angular field of view (Real/degree) 5.6 Angular field of view (Apparent/degree) 52.1 Field of view at 1,000m (m) 98 Relative brightness 25 Close focusing distance (m) 5 Interpupillary distance adjustment (mm) 56-72 Length (mm) 187 Width (mm) 139 Prism Type Roof |