The Fujinon XF90mm F2 LM WR is a fast-aperture prime lens with a focal length equivalent to 137mm (35mm Eq) and a maximum aperture of F2.0, that delivers ultra-sharp images with rich bokeh even at the maximum aperture setting. The lens features a weather and dust-resistant structure with seven seals on the lens barrel. It can also work in temperatures as low as -10 Degree. The optical construction of 11 elements in 8 groups (including three ED glass elements) minimizes vignetting and creates beautiful bokeh thanks to the rounded diaphragm, which makes it perfect for portraiture as well as other applications.