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 - Motion Sensor Technology (MST) - Custom Dial Compatible - Removeable Throw Lever - Electronic Reticle Level - Illuminated - Nightvision Compatible Illumination - Waterproof Fogproof & Shockproof - Specifications - Battery Type CR2032 - BDC Dial Included No - Daylight Bright Illumination Yes - Custom Dial System (CDS) No - Elevation Adjustment Type Capped - Guard-ion Lens Coating No - Locking Dial No - Magnification Type Variable - Reticle Focal Plane Second Focal Plane - Revolution Indicator No - Reticle Illum. FireDot Bullet Drop - Rezero Type Set Screw - Reticle Type Second Focal Plane - Adjustable Objective No - Side Focus No - Switch Type Push Button - Windage Adjustment Type Capped - Weight (oz) 18 - Elevation Adjustment Value per Click 1/4MOA - Elevation Adjustment Range (MOA) 165 - Elevation Adjustment Range (MIL) 48 - Elevation Adjustment Range (cm @ 100m) 480 - Elevation Adjustment Per Revolution 25 MOA - Elevation Dial Travel Limit 71.5MOA - Windage Adjustment Value per Click 1/4MOA - Windage Adjustment Range (MOA) 165 - Windage Adjustment Range (MIL) 48 - Windage Adjustment Range (cm @ 100m) 480 - Windage Adjustment Per Revolution 25 MOA - Magnification Max 4.5 - Magnification Min 1 - Objective Lens Diameter (mm) 24 - Linear FOV Low Mag (ft@100yds) 118.8 - Linear FOV High Mag (ft@100yds) 25.2 - Angular FOV Low Mag (Degrees) 21.6 - Angular FOV High Mag (Degrees) 4.8 - Eye Relief Low Mag (in) 3.7 - Eye Relief High Mag (in) 3.9 - Fixed Parallax-Free Distance (yd) 150 - Battery Life (hr) Low Intensity 1600 - Battery Life (hr) Medium Intensity 1000 - Battery Life (hr) High Intensity 300 - Number of Illum Settings 8