Unfortunately this situation has really turned me off to Canon and their quality control. I made the jump to the 5DMK3 and 600EX-RT as my first steps in "going pro" and getting serious about shooting weddings. It's sad that I had an easier time with ...
I'm in for a fix too. Aspiring wedding photographer and I've noticed this problem on both 70-200 f2.8 IS II and 50 f1.4. I haven't tried it yet on the 16-35 f2.8 II. This problems makes me extremely nervous about shooting low light weddings. Who'd ha...