With its astounding bokeh and impressive sharpness, the Sony FE 100 mm f/2.8 STF GM OSS Lens is the perfect tool for both casual and professional photography. It features Smooth Trans Focus optics, along with an APD element and an 11-blade circular diaphragm for producing a smooth, beautiful bokeh effect. Use the Direct Drive SSM autofocus technology for automatically focusing on your subjects silently and precisely. The Optical SteadyShot image stabilization makes it easy to shoot pictures with limited blur. The nano AR coating on the dust- and moisture-resistant lens enables it to take pictures with brilliant clarity. In addition to the APD element and the nano AR coating, the lens’ construction involves 10 groups in 13 elements, as well as an aspherical lens element and an ED glass element.