The FE 85mm f/1.8 from Sony is a sleek short-telephoto lens designed for full-frame E-mount mirrorless cameras. The nine elements, eight groups lens construction includes one extra-low dispersion element to minimize chromatic aberrations and color fringing for greater clarity and color accuracy. The double linear AF motor itself affords quick, quiet, and smooth focusing performance, and this motor also offers snappy manual focus performance for fine-tuned control. The prime portrait-length lens is designed for full-frame Sony E-mount mirrorless cameras, however can also be used on APS-C models where it will provide a 127.5mm equivalent focal length. One extra-low dispersion element is featured in the optical design and helps to limit color fringing and chromatic aberrations for heightened image clarity and color accuracy. The focus hold button on the lens barrel can be used to hold the focusing position or can be set in-camera to control a variety of additional lens functions. Also, the lens has an AF/MF switch for tactile control over the focus mode. The rounded nine-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.