The Hawke Vantage 30 WA 2.5-10x50 L4A Dot Rifle Scope offers a Wide Angle optical system with 11 layer Fully Multi-Coated optics for excellent clarity. It comes complete with a fixed parallax distance of 100 yards / 91 meters and a 30mm mono-tube chassis for superior strength. The Rheostat on saddle offers 5 levels of brightness.