This Leupold VX-6 2-12x42mm scope with FireDot Wind-Plex reticle features a quantum optical system, xtended twilight lens system, index matched lens system, DiamondCoat2, 2nd generation argon/krypton waterproofing, lead free lenses, generous eyebox, FireDot illumination, pop-up rezero adjustments, blackened lens edges, twin bias spring erector system, CDS custom dial system, motion sensor technology, and rugged 6061-T6 aircraft quality aluminum.