New firmware for Canon new tele lenses

Started Aug 2, 2012 | Discussions thread
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John-G Veteran Member • Posts: 4,931
Re: New firmware for Canon new tele lenses

My new 400 works fine with all three of my MkIV bodies. From other reports it sounds like the issue is only with the 1D-X.

Not all the post-fix reports have been favorible. With fall season starting in two weeks I'm taking a wait 'n see until more reports come in.

joger wrote:

I will drive to Canon next week or so to get mine updated - should be no dramatic improvement though - my 300 f/2.8 L IS USM II is even with the 2x Extender III very good and accurate on my 5D II - much better then the critics of the 5D II would make me think - in fact so good that I would not even consider a 70-200 f/2.8 on a MK III any more.

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