Quote:
Originally Posted by dcstep
There's a guy, over on DPReview, saying that AF, on the a9, isn't as fast or reliable as the 100-400mm GM OSS. What do you think?
Dave
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I haven't had a chance to really test it yet on BIF or anything, but it seems perfectly zippy to me. Now keep in mind I always had the 1.4 on my 100-400. I won't really know until the end of September or October when the raptors start migrating back this way to really get a food feel. Claims like that are usually subjective and largely use based anyway. How it works on a football field is useless to me and how it tracks a hawk is worthless to a sports guy.
What I can say is it picks up hummingbirds and bees pretty well
