Mil-Dot reticle is designed for field tactical and long-range field applications. Unlike many MIL-DOT reticles, this design features a hollow dot that will not obscure the target. This reticle is designed for fast range estimation and target acquisition in tactical situations. Mfg: Nightforce SPECS: Magnification: 5.5-22x. Objective Diameter: 50mm. Exit Pupil Diameter: 9.1mm @ 5.5x, 2.3 mm @ 22x. Field of View: 17.5 ft @ 5.5x, 4.7 ft @ 22x. Eye Releif: 3.7 in. Internal Adjustment Range: 110 moa elev. 60moa wind. 27.3 mil elev.