Description PRODUCT DETAILFocal Plane: Second Reticle: BDC-1 Quadplex Adjustment Increments: 0.25 MOA Weight: 16.6 Maintube Diameter: 1â Travel Per Rotation: 12 MOA Parallax Setting: 100 Yards Field of View Low (ft @ 100 Yards): 24.8 Field of View High (ft @ 100 Yards): 8.3 Eye Relief High (IN): 3.6 Exit Pupil Low (MM): 10 Exit Pupil High (MM): 3.3 Diopter Adjustment Range: +/- 2 Waterproofing: IPX 7 Ocular Outer Diameter: 1.72 Objective Outer Diameter: 1.86 Internal Gas Purge: Nitrogen Illumination Settings: No Eye Relief Low (IN): 3.6 Total Elevation Travel: 60 MOA Total Windage Travel: 60 MOA Battery: N/A Objective Lens Diameter (MM): 40MM Color: Black Magnification: 4-12X Illumination: No