Leupold VX-1 4-12x40mm Compact Waterproof Fogproof Riflescope, Matte Black 1/4 MOA precision finger click adjustments for windage and elevation offer absolute repeatability and dependability over a lifetime of extreme use. Absolute waterproof and fogproof integrity  each is ready for a lifetime in the field, in all conditions. A versatile 3:1 zoom ratio erector system that is ideal for virtually any situation. Crafted from 6061-T6 aircraft quality aluminum. Leupold's classic/standard fast focus eyepiece with a low profile lock ring makes reticle focus easy to achieve and maintain.