The Vortex Crossfire II 3-9x50 riflescope is a rugged entry-level hunting rifle scope with a fast focus eyepiece, fully multicoated lenses and a tough aluminum-grade tube construction to help you handle everything from steel targets to tough game. With a wide 50mm objective lens, light gathering is incredibly superb in this low-cost riflescope. The rugged one piece solid tube is purged with nitrogen and O-ring sealed for waterproofing and fog proofing at any elevation in any weather condition. The windage and elevation turrets on the Vortex Crossfire II are capped for extra durability and feature a quick and desirable reset-to-zero system. Also included is a removable lens cover and a lens cloth to keep your new scope crisp and clear for years to come.