Leupold VX-

Zero Lock feature is a spring loaded pin that locks the external CDS dial at your zero so the dial can not be accidentally advanced. To adjust the CDS to a range greater than your zero simply press the pin in and turn the dial. Features the Quantum Optical System which includes lead-free, precision-ground and edge blackened lenses. Xtended Twilight lens coatings for 98 percent light transmission. DiamondCoat2 exterior lens coating. Wide field of view. Pop-up, return to zero, finger click adjustments for windage and elevation that can be converted to the Custom Dial System (CDS). One CDS dial included with each scope. Twin Bias Spring Erector System. Fast-focus eyepiece. Second generation Argon/Krypton waterproofing and fogproofing with enhanced thermal shock resistance. Matte black maintube.