The R3 4-12x40 with DZ22 BDC Reticle reticle gives you more magnification for greater detail on farther shots. The one-piece, 1-inch tube will provide durability in the field while EXO Barrier on all of the multi-coated lenses will protect and keep your glass clear by repelling water, oil, dust and debris. Product Specifications Magnification x Objective Lens: 4-12x40mm Focal Plane: Second Reticle: DZ22 BDC Illuminated: No EyeRelief: 3.3 in Field of View: (ft @ 100 yds) 12x - 9 ft @ 100 yds,4x - 27 ft @ 100 yds Lens Coating: Multi-Coated EXO Barrier: No Tube Diameter: 1 in Elevation Adjustment: 65 MOA Elevation Turret: Capped Windage Adjustment: 65 MOA Windage Turret: Capped WaterProofing: IPX7 Travel per Rotation: 15 MOA Weight: 14.8 oz