The Burris Fullfield IV for shooting varmints to big game, is particularly suited for long range shots. Features an improved 4x zoom system, illuminated Long Range MOA reticle, 1" tube and finger adjustable turret knobs. Brand Burris Category Rifle Scopes Focal Plane Rear Model Fullfield Series IV Finish Matte Black Magnification 4-16x Firearm Type Rifle Reticle Illuminated Long Range MOA Objective 50mm Tube Diameter 1" Windage Adjustment 60 MOA Length 12.40" Adjustment Size .25 MOA Elevation Adjustment 60 MOA Exit Pupil Diameter 10.80-3.40mm Eye Relief 3.5"-3.9" Field of View 26-6.50 ft @ 100 yds Optic Coating Hi-Lume Parallax Adjustment Side Weight 23.20 oz Windage Elevation Adjustable