Leupold VX-3 3.5-10x40mm CDS Duplex Precise riflescope with 3.5 to 10x magnification and 40mm objective lens Xtended Twilight Lens System ensures brightness and clarity in low-light conditions Compatible with Leupold's Custom Dial System (CDS); blackened lens edges 1/4-MOA click windage and elevation adjustments with resettable pointer dials Duplex reticle; fast-focus eyepiece; measures 12.6 inches; manufacturer's lifetime warranty