We pushed everything to the limit to make the VX?-3 at home on your favorite rifle, whether you are hunting whitetail from a treestand, or stalking sheep in rugged terrain. We ve loaded the VX-3 with optical technology: Xtended Twilight Lens System, DiamondCoat 2 lens coating, blackened lens edges, second generation waterproofing, twin bias spring erector system, and cryogenically treated adjustments. It s all there to help you make the shots of a lifetime.