VictOptics S4 4-16x44 First Focal Plane by Vector Optics

Magnification: 4-16x Objective Lens: 44mm Ocular Lens Dia: 35mm / 1.4 inch Ocular Length: 58mm / 2.3 inch Exit Pupil: 11.0-2.75mm Tube Diameter: 30mm Length: 315mm / 12.4 inch Weight (net): 518g / 18.3oz Eye Relief: 96mm / 3.8 inch Field of View (@100yds): 28.8-7.2 feet Optics Coating: Fully-multi coated Reticle: VIS-FMIL etched glass reticle Click Value: 1/10MIL Evaluation Range: 15MIL Windage Range: 15MIL Parallax Adjustment: 15 Yds to infinite Finish: Black matte Illumination: N/A Exclusive for air gun and .22 LR rimfire etc benchrest shooting and hunting Side focus knob marked 15, 20, 25, 30, 50, 75, 100, 200, 400, 600 yards to infinite Distance between objective lens part and middle turret: 45mm (1.8 inch) Length of middle turret part: 42mm (1.6 inch) Distance between middle turret parts to power ring: 52mm (2.0 inch) Shock tested to 750g, IPX4 water resistant and fully nitrogen purged Turret lock system. Pull to adjust, Depress to lock. High quality 6061 T6 aircraft grade aluminum Diopter compensation from fast-focus eyepiece -2 to +2 Including items: one pair of 30mm weaver scope rings, power ring lever, 3 inch sunshade, big side wheel, cleaning cloth, instruction, lens flip-up caps