The burris fullfield iv offers a wide field of view in a rugged, lightweight design.Features an illuminated e3 moa reticle, 1" main tube and finger adjustable windage/elevation turrets.The 2.5-10x42mm offers a wide field of view and three reticle options including an illuminated and non-illuminated Ballistic E3 and the proven Plex for quick holdovers across most hunting cartridges. Designed around a one-inch main tube. Features Wide field-of-view Rugged, lightweight design Finger adjustable windage/elevation turrets