Burris 6.5-20x50mm Fullfield II Rifle Scope have a one-piece main tube and eyepiece, Burris envied steel-on-steel image adjustment system, and Hi-Lume multi-coatings on every single air to glass lens surface. The Burris Full Field II 6.5-20x50 riflescope is even more for giving for eye position, is a little shorter, and a good bit lighter. The magnification ring and eyepiece have been made into one solid unit requiring only two seals rather than three. To change magnification on Burris 6.5-20X50mm Fullfield II Riflescope w/ 1/6 MOA Adjustable Parallax simply turn the entire eyepiece. Burris Riflescope Fullfield II Scope eliminated most of the potential leak paths in the eyepiece/power ring area and sealed the remainder with special quad seals instead of O-rings. The adjustment system has been moved to improve mounting options and the European-style adjustable eyepiece requires no locking mechanism. The Ballistic Plex reticle has a lower vertical crosshair with small ballistic lines that automatically compensate for bullet drop from 100 to 500 yards for many common cartridges. The Fullfield II is lighter, better sealed, and has a relocated adustment system compared to the original Fullfield.