Field of View(ft@100yds): 48.3~ 4 Eyerelief: 4.7-3.5 in fogproof: Yes Battery: CR2032 3V(No include) Nitrogen: Full filled Nitrogen Tube Diameter: 35MM Diopter: +2 ~ -3 Reticle: Glass-etched Mil-dot Super Accurancy rangefinder reticle and easiest to use for shootingReticle design by laser,it is the thinnest reticle on the world,best reticle for shooting2x-24x magnification, can be used in all kinds of hunting/target shooting. Both short distance and long distance can be used.Fully Multi-Coated lenses for clear view in all light conditions.The 35mm main tube and illuminated Red/Green offer the clearest view for easy target acquisition in both bright and low light situations.Nitrogen filling to prevent fogging on the inner lens surfaces.One piece tube body for superior ruggedness.¼-minute click adjustments for windage and elevation.The parallax adjustment:Focus range of 20 Yards to infinity.Super high shock resistant,suitable for all calibres from Rifle .22 to .338.Reticle focus is achieved via the fast focus ocular adjustment.Attractive matte black finish.A pair of Scope Cover is included to protect riflescope during transport or when not in use.Rugged and absolutely waterproof in all conditions.A Visionking 2-24x50 rifle scope,wipe lens cloth.