Upgrade every gun in your safe with a rugged Mark 4HD riflescope. We took the legendary performance of our Mark 5HD and gave it a slimmer maintube thats been packed full of professional-grade features. Whether youre a dedicated enthusiast or a uniformed professional, the Mark 4HDs optical clarity and lightweight design will get the job done at the range or in the field. The Mark 4HD series features four magnification ranges, giving you an accurate and reliable option for close-quarter engagements, long-range dominance, and everything in between. Theyre available with a three-turn elevation dial for unmatched confidence at extreme distances, a precise ZeroLock windage adjustment that wont budge when knocked around, and a side focus thatll give you tack-sharp images down to 25 yards. And like all Leupold riflescopes, theyre waterproof, fogproof, and backed by our lifetime guarantee. Specifications for Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane: Manufacturer: Leupold Objective Lens Diameter: 42 mm Magnification: 2.5 - 10 x Tube Diameter: 30 mm Color: Black Water Resistance Level: Waterproof Fogproof: Yes Magnification Type: Variable Gun Type: Rifle Features of Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane Professional-Grade Optical System 4:1 zoom ratio 30mm and 34mm maintubes Ultra-lightweight design High-speed power selector Removable throw lever MIL or MOA adjustments/reticles,Precise tracking andreturn to zero Lens covers included,Waterproof/Fogproof Guaranteed for life Package Contents: Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane