The Vortex Crossfire II 3-12x56 AO (Hog Hunter) CF2-31049 is clearer, tougher, and brighter than ever, outperforming other similarly-priced riflescopes. The Hog Hunter is perfect for low light situations. The large 56mm objective lens allows in lots of light, so it’s always ready for your hunt. Built from aircraft-grade aluminum alloy ensure it is virtually indestructible to recoil and harsh conditions. Argon gases are filled in the housing to guarantee it is water and fog proof. Fast focusing eyepiece ensures you hit your target and resettable MOA turrets ensure optical excellence. The Vortex Crossfire II 3-12x56 AO (Hog Hunter) features lenses that are fully multi-coated to deliver excellent color fidelity, superb resolution, and clarity.