Leupold 115007 VX-6 Riflescope, FireDot Duplex Reticle, 3-18x50-Millimeter (30-Millimeter) Side Focus, CDS Illuminated, Matte Black Finish FireDot Duplex (Illuminated) Reticle adds an extra-bright center point dot ideal for quick target acquisition Powerful 6:1 zoom ratio delivers crystal clear images form edge-to-edge Quantum Optical System maximizes the lens with razor sharp imaging across all conditions Xtended Twilight Lens System optimizes the transmission of low-light wavelengths Treated with Diamond Coat 2, an ion-assist lens coating for higher light transmission