Bright optics that are extremely rich in contrast because of the Leica HighLux System (HLS ) and optical / mechanical stray light optimization Two design versions : With rubber armoring (BR) for a good grip, or with an elegant leather covering (BL) Extreme lightness from 700 grams (25 oz) with simultaneous high stability, thanks to the magnesium body shell and the titanium hinge shaft Outstandingly easy to use because of its compact ergonomic shape Removable rotating sleeves with two click stops Newly designed multi-function central drive with integrated diopter compensation Impact resistant, watertight to a depth of 5m (16.4 ft), cold-proof down to -25 C (-13 F) Specifications Type of Prism Roof prism Coating HLS High Lux System ,Advanced physical vapor deposition process, 43 layers Real Angular Field of View 8.0 Field of View at 1000 Yards 420' Exit Pupil 6.0mm Twilight Factor 17.1 Close Focus Distance (ft) 10.8' Rubber Coated (Armored) Yes Waterproof / Fogproof Nitrogen-filled Camera Tripod Adaptable With optional LC42220 Dimensions 5.6'' x 4.8'' x 2.6'' / 121 x 142 x 67mm Weight 26.8 oz. / 765 g Special Features Objective lens 42mm Magnification 7x Housing: Die-cast magnesium, nitrogen-filled 8 Multi Coated Elements Internal Focusing via centra; focusing drive Sliding Eyecups, removeable with 2 click-stops Diopter compensation: +-4 diopters.