Pick up a Mark 5HD and you'll feel the difference - it's up to 20 oz lighter than other scopes in its class. Get behind one and you'll see the difference, from the superior edge-to-edge clarity and extreme low-light performance, to the versatility of the Combat Competition Hunter reticle. With three revolutions of elevation adjustment, the Mark 5HD was built to max out the performance of the latest long-range rifles and ammo. Ergonomically designed with more tactile, audible click adjustments, larger numbers, and a high-speed throw lever so you can put accurate fire downrange faster. Features: Punisher tested - each scope design has to survive 5000 impacts on the punisher, Leupold's recoil simulation machine Dial illumination control - positive clicks and clear numerical intensity level indicators Fast-Focus eyepiece - brings the reticle into focus quickly with Fast-Focus eyepiece Scratch resistant lenses - extreme Military-Standard scratch resistance for added protection Ultra-lightweight design - disperses recoil energy for unrivaled durability and performance with ultra-lightweight construction Waterproof and fogproof - absolute waterproof and fogproof integrity means it's ready to perform in the field, in all conditions M1C3 adjustment - 1/4 MOA dial with three revolutions of travel, a push-button ZeroLock, and a revolution indicator Side focus - side focus parallax adjustment for fast, easy parallax focusing from any shooting position Front focal plane (FFP) - the reticle magnifies along with the image, so you can estimate range at all magnification settings 35 mm maintube - 35 mm maintube allows you to experience unparalleled windage and elevation adjustment travel Twilight Max HD light management system Throw lever - allows for near instant magnification changes 5:1 zoom ratio - versatile magnification range offers a wide field of view at low power and precise target identification at high power