Yonguo YN100mm F2, a medium telephoto prime lens which is ideal for portraits. A multi-coated glass element minimizes flare and ghosting as well as fast autofocus by DC motor. The 100mm focal length on the APS-C camera provides 160mm equivalent focal length generates spatial perspective compressed effect and appears the background close. An AF/MF switches quickly between the Automatic focus and Manual focus mode. While the focus distance indicator pulls focus in an accurate manner. Additionally, the presence of nine-blade diaphragm helps for smooth bokeh. Also features a metal lens mount with gold-plated contacts.