Leupold VX-2 6-18x40 AO Rifle Scope Adjustable Objective CDS Wind Plex, Matte Black 1/4 MOA precision finger click adjustments for windage and elevation offer absolute repeatability and dependability over a lifetime of extreme use. 100% Waterproof and Fogproof - 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. Blackened lens edges reduce light diffusion, so more usable light reaches the shooters eye. This results in a brighter image with increased contrast. DiamondCoat lens coatings on exterior lens surfaces provides the ultimate in abrasion resistance. The result is a flawless sight picture over a lifetime of hard use.