Hawke Sport Optics Airmax 4-12x40 AO Rifle Scope, AMX Reticle, 1/4 MOA, 1 in Tube Rifle scope 4-12x magnification 40mm objective lens (adjustable objective) 1 inch mono-tube 1/4 MOA (1/4" click value @ 100 yds) Low profile, snag-free fingertip turrets Glass etched AMX reticle to withstand high recoil Integrated adjustable objective for parallax adjustment from 10 yds to infinity 29.9 ft to 11 ft field of view 3.5" eye relief 13mm to 4mm / 0.5" to 0.2" exit pupil 18.4 oz. 12.7" long Includes elasticized lens covers, lens cloth and owner's manual Other features: 16 layer fully multi-coated optics for exceptional clarity 80 MOA elevation and windage adjustment range Rubber-coated Posi-Grip power selector knob Nitrogen-filled Shockproof Waterproof Threaded objective for optional accessories Fast-focus eyeball and high torque zoom ring Black matte finish AMX Reticle: Based on the spacing of a 10x Mil Dot Offers multiple aim points, useful when shooting airguns with loopy trajectories Half Mil Dot spacing on the lower post provides increased aim points for long shots Horizontal bars are calculated at 0.5, 1.5, 2.5, 3.5 and 4.5 mil spacing Hollow posts are segmented into mil spacing and can be used for bracketing If you haven't already considered an Airmax scope from Hawke Sport Optics, this is the scope for you. The AMX etched glass reticle provides even more accuracy from your gun and is based on the 10x half Mil Dot spacing that is popular with other airgunner optics. This reticle features additional windage bars on the lower Mil Dots offering increased aim points for longer range shots. The fully multi-coated lenses are waterproof, shockproof, and nitrogen filled for the best possible light transmission.   PLEASE NOTE: The tube spacing on this scope does not allow it to fit with long, one-piece scope mounts over 4.5" in length.