Feature Diamond Clear Image HD Lens, Second Focal Plane, Etched MPX1 ReticleZero-Stop Turret System, 1/10 MIL 1cm 0.1 MRAD Adjust, 30mm Monotube,Side Focus Min 20 Yards, 3.7" Long Eye Relief, IP67, Center Dot Illuminated Specification A Magnification: 4-16x A Objective Lens Dia: 44mm A Ocular Lens Dia: 38mm A Ocular Lens Length: 62mm A Exit Pupil: 10.0-2.75mm A Optics Coating: Diamond Fully-Multi HD A Field of View: 5.0-1.25Adeg A Field of View: 26.2-6.55ft@100yds A Eye Relief: 94mm / 3.7in A Length: 356mm / 14.0 inch A Weight: 730g / 25.7 oz A Tube Dia.: 30mm A Click Value: 0.1 MRAD, 1/10 MIL, 1cm A Elevation Range: 24MIL (80MOA) A Windage Range: 24MIL (80MOA) A Parallax Adjustment: 20yds to infinite A Reticle: Etched Glass MPX1 A Illumination: 6 levels red A Battery Type: CR2032 A 30mm hammer-forged aluminum monotube design A Side focus mark: 20, 25, 30, 40, 50, 60, 75, 100, 150, 200, 300, 500 and infinite A Shock tested to 1000g, water proof and fully nitrogen filled A Zero-stop turret system with up and down travel A Water proof IP67 for 30min 1 meter depth water A Diopter compensation from fast-focus eyepiece -2 to +2 A Including items: 30mm tactical picatinny rings (default) , cleaning cloth, instruction, lens cap Reticle