Burris' Fullfield IV series of riflescopes are a rugged line designed to handle recoil from a variety of different weapons. From big bore hunting rifles, to shotguns and even muzzle loaders the Burris Fullfield IV series won't disappoint. Additionally you are treated to a wide field of view which helps you to better scan the field when using the scope to spot. This scope is designed around a classic 1" main tube which provides a sleek and slim profile optic solution.Specifications and Features: Burris 200490 3-12x Magnification 42mm Objective Lens 1" Tube Diameter Ballistic E3 MOA Reticle Second Focal Plane 1/4 MOA Adjustments Field Of View at 100 yards (Low/High) 38 to 9 Feet No Illumination Exit Pupil (Low/High) 11 to 4mm Eye Relief 3.5 to 3.8" Elevation Adjustment Range 70 MOA Windage Adjustment Range 70 MOA Overall Length 12" Overall Weight 17.6 oz Matte Black Finish