Upload & Sell: Off
Did he have problems prior to? I say this because 1.4 can be tough to shoot with if not done correctly.
Well, strange as it may seem, the guy says this is the best lens he has under 500€, but he usually shoots in a studio at F5.6 or F8, so it's a completely different story.
You own the Sigma version, many people say that one is good.
I like the lens (the Canon), but it's not suitable for my specific need. I sold it today to someone who thinks it's just fine, and I told him about the 1.4 focus problems I was having.
Will keep trying the 50mm 1.8 and the 85mm 1.8 before I make my next move.