The Illuminator Lens System combines premium lenses with cutting-edge coatings to deliver best-in-class light transmission in the critical blue wavelengths of the spectrum common in low light when game is most active. Meticulous attention to detail generates the consistent repeatability and reliability of the Accutrac adjustment system. It offers 1/4-MOA finger-click adjustments. Rapid Target Acquisition helps you avoid missed opportunities by quickly finding the target in the scope shot after shot. 100 percent waterproof, fogproof and shockproof.