Tough and bright, the Vortex Crossfire II 1-4x24mm Riflescope does not compromise in its performance. These Riflescopes by the experts at Vortex feature long eye relief, a fast-focus eyepiece, fully multi-coated lenses and resettable MOA turrets. The Vortex Crossfire II 1-4x24mm Fogproof Rifle Scope has a hard anodized single-piece aircraft-grade aluminum tube that is nitrogen purged and O-ring sealed for waterproof/fogproof performance. Focus and shoot with confidence using the Vortex Crossfire II 1-4x24mm Waterproof Riflescope w/ V-Plex Reticle.