The 135mm focal length has a strong perspective compression effect, while the aperture of f1.8 delivers great bokeh. By minimizing longitudinal color errors, the bokeh of the SIGMA 135mm f1.8 DG HSM | Art as impressive as it is beautiful and the lens delivers images with excellent contrast as well as outstanding sharpness and excellent resolution. By incorporating the latest innovations in design and optical glasses and rethinking every aspect of the lens, SIGMA ensures outstanding image quality across the entire image area and sets new standards. With such a crystal clear resolution that every single hair can be seen in a portrait, this lens with its large diameter also delivers impressive bokeh and thus offers photographers everything they need. It is ideal for close-ups and full-body shots and highlights the subject against a pleasantly blurred background. In addition to standard portraits, including wedding photography, this lens brings top performance to live events and effortlessly captures the subjects thanks to its super-fast autofocus.