Leupold's Duplex reticle has heavy posts to help the reticle to stand out in low light conditions. It also has thin cross hairs in the center to prevent obstructed view of the target. This optic also features Leupold's CDS-ZL2 (Custom Dial System ZeroLock 2). This locks the dial in place to prevent it from being accidentally turned from zero. This also features the Firedot Illuminated Reticle, which includes Motion Sensor Technology (switches reticle to standy-by mode after five minutes of inactivity, in order to preserve battery life; re-illuminates with the touch of a button). Leupold VX-5HD riflescopes offer a variety of features that make them deserving of the legendary Leupold name. They are made in the USA and feature Leupold's Lifetime Guarantee. Leupold VX-5HD Features Second-focal plane reticle 1/4 MOA & .1 Mil dependable turrets 30mm or 34mm main tube 5:1 zoom ratio with crystal clear image quality across the entire magnification range. Extreme Fast-Focus Eyepiece Generous Eye Box Guard-Ion, rain shedding coating Twilight Max Light Management System for optimal color rendition and light transmission Twin bias spring erector system Waterproof/Fog-proof With all of these features coming together, you receive a scope that will perform under any situation. The Leupold VX-5HD is a scope that is guaranteed to last a life time, will look great on your rifle and work every time you pick it up. Leupold VX-5HD 3-15x56mm CDS-ZL2 FireDot Duplex Scope 171390