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      10-04-2014, 11:49 AM   #4807
dcstep
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Drives: '09 Cpe Silverstone FR 6MT
Join Date: Nov 2008
Location: Colorado

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2009 M3  [8.40]
Quote:
Originally Posted by Itsed65 View Post
I left my 1D alone yesterday and mounted my 500 on the 7D, as well as slapping the 2X on my 300 2.8 and putting that combo on the 5D3. I shot a lot of the same stuff with both, and thought it would be interesting to compare. I'm heading out again today, but should have some examples later on.
The old 7D does very well in good light. I find that the AF failure rate for birds-in-flight is only half as good as the 5D3.

Is the AF still pretty fast with the 2X and 300mm on the 5D3? I'd suspect that it's pretty good. I've been shooting my 500mm with the 2X on my 5D3 and it can be really frustrating if you don't pre-focus right and the AF point slips off the subject for a second.
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