Ready your rifles with a versatile Mark 4HD. We took the legendary performance of its predecessors and gave it a slimmer maintube that's been packed full of professional-grade features. Whether you're a dedicated enthusiast or a seasoned expert the Mark 4HD's optical clarity and lightweight design will get the job done at the range or in the field. - The Mark 4HD series features five magnification ranges providing you with an accurate and reliable option for close-quarter engagements long-range dominance and everything in between. They're available with a three-turn elevation dial for unmatched confidence at extreme distances a precise ZeroLock windage adjustment that won't budge when knocked around and a side focus that delivers tack-sharp images as close as 25 yards. And like all Leupold riflescopes they're waterproof fogproof and backed by our lifetime guarantee. - 4:1 Zoom Ratio - Professional-Grade Optical System - M1C3 Adjustments - Custom Dial Compatible - Side Focus - First Focal Plane - ZeroLock Windage Dial - Waterproof Fogproof & Shockproof - Specifications - Adjustable Parallax Side Focus - BDC Dial Included No - Daylight Bright Illumination No - Custom Dial System (CDS) No - Elevation Adjustment Type M1C3 - Electronic Reticle Level No - Guard-ion Lens Coating No - Illuminated No - Locking Dial Yes - Motion Sensor Technology (MST) No - Nightvision Compatible Illumination No - Revolution Indicator Yes - Reticle FFP PR2-MOA - Rezero Type Set Screw - Reticle Type First Focal Plane - Adjustable Objective No - Windage Adjustment Type Zero-Lock WIndage - Weight (oz) 27.5 - Elevation Adjustment Value per Click 0.1Mil - Elevation Adjustment Range (MOA) 125 - Elevation Adjustment Range (MIL) 36 - Elevation Adjustment Range (cm @ 100m) 360 - Elevation Adjustment Per Revolution 10 MIL - Elevation Dial Travel Limit 30MIL - Windage Adjustment Value per Click 0.1Mil - Windage Adjustment Range (MOA) 65 - Windage Adjustment Range (MIL) 18 - Windage Adjustment Range (cm @ 100m) 180 - Windage Adjustment Per Revolution 10 MIL - Magnification Max 18 - Magnification Min 4.5 - Objective Lens Diameter (mm) 52 - Linear FOV Low Mag (ft@100yds) 23.1 - Linear FOV High Mag (ft@100yds) 5.2 - Angular FOV Low Mag (Degrees) 4.4 - Angular FOV High Mag (Degrees) 1 - Eye Relief Low Mag (in) 3.6 - Eye Relief High Mag (in) 3.9 - Minimum Parallax-Free Distance (yd) 25