The perfect standard zoom “XC16-50mm F3.5-5.6 OIS II”, which employs 12 all-glass elements in 10 groups, including 3 aspherical lens elements and 1 ED lens element. The lens uses seven rounded diaphragm blades to enable fine 1/3-step (17 steps in total) exposure control. Its lightweight focusing lens and high-precision motor achieve quick and silent autofocusing, while the minimum working distance of 15cm enables macro photography. The optical image stabilization function reduces camera shake in still images and videos taken hand-held.