Leupold VX-3 Long Range Scopes are made for the specific demands of long range shooting. These scopes feature the new Leupold Index Matched Lens System provides the best light management across the entire image, maximizing contrast and image brightness, delivering as high as 98% light transmission. All Long Range Scopes feature Side Focus adjustments and the Target models have special target turrets. Leupold VX-3 scopes are all fully waterproof and fogproof and are covered under Leupold's Full Lifetime Guarantee. The Official Full Lifetime Leupold that covers this scope is valid in every Country.