Leupold VX-3 4.5-14x40mm Varmint Hunters The Xtended Twilight Lens System optimizes the transmission of low-light wavelengths, so you see the details of low-light scenes in greater, brighter detail than with any other riflescope available DiamondCoat 2 lens coatings on exterior lens surfaces provide the highest level of scratch resistance Leupold has ever offered The twin bias spring exerts up to 30 percent more holding force on the erector, virtually eliminating erector system backlash and stress on the vital internal workings of the scope, for longer life The Leupold Ballistics Aiming System for more accurate long-range shooting Finger-adjustable, cryogenically treated, 1/4-MOA click windage and elevation adjustments with resettable pointer dials marking the zero point