This Leupold VX-6 3-18X50mm scope with Illuminated Varmint Hunter reticle features a quantum optical system, xtended twilight lens system, DiamondCoat2, 2nd generation argon/krypton waterproofing, lead free lenses, generous eyebox, pop-up rezero adjustments, blackened lens edges, twin bias spring erector system, extreme fast-focus eyepiece, CDS custom dial system, and motion sensor technology.