Engineered for the most rugged field conditions, the Bushnell Elite Rifle Scope features Bushnell's exclusive Rainguard HD lens coating that prevents external fogging and moisture from ruining your shot. The fully multi-coated lenses now feature Bushnell's new Ultra Wide Band coating which boosts brightness at dawn and dusk. Other features include 95% light transmission, argon gas purging and resettable windage and elevation adjustments. Bushnell Elite Rifle Scopes are covered by a limited lifetime factory warranty.