Vector Optics Marksman 4.5-18x50 Scope 30mm Monotube MPN-1 Etched Glass Reticle 30mm Monotube, MPN-1 Etched Glass Reticle, Long Eye Relief, Wide Field of View, Side Focus With Honeycomb Sunshade, 30mm Mark Mount Ring, Tactical Triangle Box, Re-zero Feature Crystal Clear, With 1/10 MIL Black Turret, 1cm Silver Color Turret, 0.1 MRAD Golden Turret Magnification: 4.5-18x Objective Lens Dia: 50mm Ocular Lens Dia: 37mm Exit Pupil: 9.8-2.4mm Length (not include sunshade):350mm (13.8 inch) Weight (net):640g (22.6 ounce) Eye Relief: 95mm (3.7 Inch) Field of view (@100yds):4.89°-1.22° Optics Coating: Fully-multi coated Reticle: Etched Glass MPN-1 Illumination: N/A Tube: 30mm Monotube Elevation Range: 15 MIL Windage Range: 15 MIL Side focus: 20, 25, 30, 40, 50, 75, 100, 200, 300, 500 yards to unlimited Shock proof, water proof and fog proof (nitrogen purged) High quality aluminum alloy 6061-T6 In durable black matte military style finish Feature 1/10 MIL (1cm, 0.1 MRAD) direct finger windage and elevation turrets adjustments Turret with re-zero feature: after zero set, remove the turret and put zero postion Diopter adjustment at ocular lens (diopter compensation +1.5 to -1.75) Free fitting involved: 30mm mark weaver ring spare 1cm silver color turret spare 0.1 MRAD golden turret killflash style sunshade cleaning cloth rubber lens cover stainless elevation screw