I have also tried to use 7D Servo AF for fly-by type BIF shots where the focusing distance doesn\'t change much (nor fast)....see an example below done with 1DsMkII + 400 f/2.8 IS wide open.
Even on that type of target motion, 7D doesn\'t perform nowhere as well as 1DMkIIN (or 1DsMkII).
Jan 06, 2012 at 07:38 PM
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