The UTC Bugbuster Scope was built on a TRUE STRENGTH Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fogproof and Rainproof , with a range Estimating Mil-dot Reticle for Optimal Aiming and Shooting Performance. This is truly a fantastic all around scope for all of your hunting needs.FeaturesRange Estimating Mil-dot Reticle for Optimal Aiming and Shooting PerformanceCompletely Sealed and Nitrogen Filled, Shockproof, Fogproof and Rainproof 1 Inch Tube with Emerald Coated Lens for Crystal Clear View with Maximum Light Transmission Premium Zero Lockable and Zero Resettable Target Turrets with Consistent and Precise 1/4 MOA Per Click Adjustment Range Estimating Mil-dot Reticle for Optimal Aiming and Shooting Performance Adjustable Objective from 3 Yards to Infinity to Achieve Parallax-free View Red/Green Dual Illumination for Versatile Applications and Weather/Light ConditionsLarge Field of View (Wide Angle) and Most Accommodating Eye Relief for Optimum Critical CQB Mission...