Originally Posted by ddt0725
I replaced my Canon EF 50/1.4 with the Sigma 50/1.4 because of bokeh, flare, distortion, andvignetting. I like it a lot better, even though itfeels like the Sigma autofocus is a lot slower and less accurate. I got mine used for $350. I'd really prefer the EF 50/1.2, of course.