It's really hard to summarize this lens. Optically it's amazing. The bokeh is gorgeous and wide open you get a nice background separation. But on my Fuji X-T1 with the newest firmware (ver 3.1) it's considerably slower to focus than the 18-55 mm and it is really loud. When taking portraits of my friends They notice When the lens is focusing Because of the sound it Produces. In continuous focusing mode it's useless, it can not lock to the subject at all.