Swarovski Z5 5-25X52 BT Riflescope - 4W Reticle, Swarovski Z5 5-25X52 BT Riflescope - 4W Reticle The long-range hunter Its 25x magnification and 5x zoom rightly make the Swarovski Z5 5-25X52 BT Riflescope the expert when it comes to long-range hunting. Lateral parallax correction guarantees you a faultless image. The Z5 5-25x52 P (BT) rifle scope is intended for optimum long-range precision. This 1-inch rifle scope leads the way in its class thanks to its lateral parallax correction and optical performance.