The Mark 8?s wide 8X zoom range offers an incredible field of view at lower magnifications, and excellent long-range target discrimination at higher powers. The adjustable eyepiece yields a forgiving eyebox throughout the entire zoom range while the 1/10 Mil adjustments make precise corrections easy. Mark 8 riflescopes deliver the ultimate blend of flexibility and rugged durability. 100% Waterproof and Fog Proof 2nd Generation Argon/Krypton Waterproofing 35mm Maintube 8:1 Zoom Ratio Blackened Lens Edges Bullet Drop Compensation DiamondCoat 2 Front Focal Plane (FFP) ** BLEMISHED products may or may not include accessories. Image may not represent the exact product number.