The XC50-230mm F4.5-6.7 OIS II telephoto zoom is constructed of 13 all-glass elements in 10 groups, including 1 aspherical lens element and 1 ED lens element. The lens demonstrates advanced optical performance across its focal range, producing clear images even when your subject is a long distance away. The XC50-230mm F4.5-6.7 OIS II telephoto zoom is constructed of 13 all-glass elements in 10 groups, including 1 aspherical lens element and 1 ED lens element. The lens demonstrates advanced optical performance across its focal range, producing clear images even when your subject is a long distance away. Its lightweight focusing lens and high-precision motor achieve quick and silent autofocus. The optical image stabilization function (approximately 3.5-stops) reduces camera shake in still images and videos that are captured hand-held.