Features:High Performance 10x optical system with low dispersion glassIntegrated thread in throw leaver for quick magnification changesIlluminated MSR BDC-10 reticle with 11x brightness levelsLay flat flip-back lens covers includedDependable waterproof, shockproof, and fog-proof performanceIncludes ALPHA-MSR 1 piece aluminum cantilever mountSpecifications:Focal Plane: SecondReticle: MSR BDC10Adjustment Increments: 0.5 MOAWeight: 20.4Maintube Diameter: 34 mmTravel Per Rotation: 44 MOAField Of View Low (FT @ 100 YARDS): 110Field Of View High (FT @ 100 YARDS): 10Eye Relief Low (IN): 3.54Eye Relief High (IN): 3.22Exit Pupil Low (MM): 9Exit Pupil High (MM): 2.8Diopter Adjustment Range: +/- 2.5Waterproofing: IPX 7Objective Outer Diameter: 34 mmIllumination Settings: 11Total Elevation Travel: > 100 MOATotal Windage Travel: > 100 MOABattery: (1) CR2032Objective Lens Diameter: 28 mmColor: BlackMagnification: 1-10xIllumination: Yes