Specification : 1. Special fashion shape design, make your rfile unique all over the world. 2. "ZEZ"(zero error zoom) technology makes the tolerance be controlled under 0.25MOA when other scopes are 0.5MOA - 2 MOA , DISCOVERY makes your every shoot marks. 3. Special desinged 1/2 mildot-hash reticle, improve the Mil-Dot reticle shooting experience. 4. Use 30mm tube and 50mm objective len with fully multi-green coated. Let you view shining and clear. 5. Light weight body and side focus parallax start from 10yards will let you handle scope easier. 6. Redesigned large turret make adjustment far more comfortable.