Leupold Mark 4 12-40x60mm Black Spotting Scope Inverted H-32 Reticle. The Mark 4 12-40x60mm Tactical spotting scopes from Leupold feature index matched lenses with an interior that facilitates light absorption for a incredibly sharp bright clear view. This Leupold spotting scope offers a vast field of view at all magnifications so you can track and located targets with ease plus the range and versatility of a 12-40x60 spotting scope. Leupold has included folded light path lens and mirror optical system for an optical path of almost twice the length of the spotting scope. The Leupold 12-40x60 Mark 4 spotting scope has long eye relief for comfort and ease of use and an armored magnesium construction for lightweight ruggedness. In addition the nitrogen filled seal ensures a waterproof spotting scope. Specifications for Leupold Mark 4 12 - 40 x 60 Waterproof Spotting Scope: Manufacturer: Leupold Color: Black Magnification: 12 - 40 x Objective Lens Diameter: 60 mm Eye Relief: 30 mm Exit Pupil: 1.5 - 4.8 mm Field of View Linear: 52 - 168 ft at 1000 yds Field of View Angle: 1 - 3.2 degrees Twilight Factor: 26.8 ED Glass: No Scope Body Type: Straight Body Only: No Weather Resistance: Fog Resistant Water Resistance Level: Waterproof Length: 12.4 in Weight: 37 oz Condition: New Magnification Type: Variable Features of Leupold Mark 4 12 - 40 x 60 Waterproof Spotting Scope: Close Focus Distance (ft) 36.00 Close Focus Distance (m) 11.00 Package Contents: Leupold Mark 4 12 - 40 x 60 Waterproof Spotting Scope Leupold Mark 4 12-40x60mm Black Spotting Scope Inverted H-32 Reticle 110183