Summary: If you are looking for a 50mm lens with beautiful bokeh, good contrast/color at wide open, and you want to use f1.2, for low light photo AND video, this is the one for
Pros: Beautiful Color, Durable, Fast / accurate auto-focus, Grea Picture At Wide Open, Nice Bokeh, Rugged
Conclusion: I've been putting off purchasing this lens for a while because of it's back focus (focus shift) problem which occurs only when photographing at extremely close distance