Highlight your subject against extremely large, natural bokeh to create stunning portraits, product images, and lifestyle shots with the 135mm f/1.4 DG Art Lens from Sigma. This telephoto lens is designed for high-resolution rendering and utilizes FLD and aspherical glass to suppress chromatic aberration, delivering crisp detail even when wide open at f/1.4. For firmware updates, this lens is compatible with the separately available UD-11 USB Dock.