This Leupold Mark 4 LR/T 4.5-14X50mm scope with TS-32X1 MOA reticle features an xtended twilight lens system, DiamondCoat2, 2nd generation argon/krypton waterproofing, generous eyebox, blackened lens edges, twin bias spring erector system, lockable super fast-focus eyepiece, M1 adjustments, side focus, and tactile power selector.