Just a brief test at f/1.8 and f/4. Can you tell which is which? I'm really impressed with the wide open sharpness of this lens, makes it completely usable. Center crop at 100%, normal sharpening settings in camera. But of course, the DOF will be extremely shallow.
Oh wait, I need more close ups to see the bokeh, then can 'wokeh'. But as I see it, thats quite a bit of F(ap)s already. Probably not enough though.
Actually I forgot Let me get back home to check. Want me to increase to F-Cup? Edit: DEAAAA!!!! you are both wrong, it was shot at 1.8