High Performance 10x optical system with low dispersion glass, Integrated thread in throw leaver for quick magnification changes, Illuminated MSR BDC-10 reticle with 11x brightness levels, Lay flat flip back lens covers included, Dependable waterproof, shockproof and fog proof performance, Includes aluminum 34mm ALPHA-MSR cantilever mount, Front Focal Plane (FFP) BDC-10 provides accurate ranging and hold overs at all magnification rangesFeatures: High Performance 10x optical system with low dispersion glass Integrated thread in throw leaver for quick magnification changes Illuminated MSR BDC-10 reticle with 11x brightness levels Dependable waterproof, shockproof, and fog-proof performanceSpecifications: Objective Lens Diameter 26 mm Magnification 1 - 10 x Reticle BDC Tube Diameter 34 mm Reticle Focal Plane First Focal Plane (FFP) Exit Pupil 2.6 - 7.6 mm Illumination Color Red Finish Hardcoat Anodized Field of View, Linear 12 - 120 ft at 100 yds Eye Relief 82.5 - 87.5 mm Diopter Adjustment Range -2.5 - 2.5 dpt Color Black Weight 21.9 oz Adjustment Click Value 0.5 MOA Length 11 in Adjustment Type MOA Illumination Type LED Battery Type CR2032, Lithium Metal Lens Material Glass Optical Coating Spectracoat Brightness Settings 11 Weather Resistance Yes Water Resistance Level IPX-7 Shockproof Yes Fogproof Yes Battery Quantity 1 Magnification Type Variable Condition New W/E Travel at 100 Yds 100 MOA Attachment/Mount Type Cantilever Mount