Nikon

The Prostaff Target EFR rimfire/airgun scope has a precision reticle that provides a .22 LR specific reticle and a 50-yard parrallax setting for confidence and precision out to 150 yards and beyond with the 22LR. The scope is nitrogen filled, making it waterproof, fogproof, and shockproof. It also features EFR (Extended Focus Range) and a FCD (Fine Crosshair Dot).