S03 ZOS 10-40x50 E-sf Rifle Scope Set with Sunshade Rings and Handwheel Fogproof Waterproof (11mm rings) Multi Coated Optics and Multi Coated Optics . Waterproof, Fogproof and Shockproof 30mm Monotube Construction for maximum Light Gathering Side Turret Mounted adjustments for Parallax Correction Easy Grip Target-style Windage and Elevation Adjustments Precise and easy-to-use for Tactical Environments and fast focus eyebell