Info: Manufacturer Leupold Model BX-2 Alpine 8x42 Lens diameter [mm] 42 Magnification [x] 8 Angular field of view [deg] 7.4 Linear field of view [m/m] 130/1000 Exit pupil [mm] 5.25 Eye relief [mm] 18 Min. focusing dist. [m] 4 Twilight factor 18.33 Brightness 27.56 Prisms BaK-4/roof Dimensions [mm] 142x129 Weight [g] 689 Waterproof Yes Nitogen filling Yes Argon filling No Image stabilization No Tripod exit Yes Focusing central Includes: Strap and Carry Case Good Condition