I picked \"CON: f/5.6 Limited AF\" that really worries me. I use the 2x with the 600/4 and 500/4 all the time.
Second worry would be a higher MP option. I have a medium format digital solution - it\'s wonderful. I would like the option to jump to a 35mm solution that has medium format digital qualities to get the best of both worlds in some cases, not all the time. I just wonder if Canon is planning on these options in the future or not.
Oct 18, 2011 at 08:41 PM
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