Bsmooth Offline Upload & Sell: On
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I have the 100-400, and got a refurb 400 5.6, to shoot birds in flight. The 400 5.6 got sent back right away. It wasn't even as sharp as the 100-400, not even close. This was on a tripod and with static objects.
There was something not quite right with the 400, not sure what. I sent it in to have it checked and they said it was front focusing. Well when I got it back it was back focusing.
I had an issue with getting the first 100-400 as well. Just wasn't sharp at all, so they sent a replacement which is the one I have now. Very sharp. I really think Canon's quality leaves a bit to be desired.
I like the 100-400, but its not the fastest focusing for sure, thats one thing I noticed when I had the 400 prime, how fast it acquired targets.
The 400 needs a replacement, why its taking so long I don't know, maybe to make more money on the new 400 that just came out.
That and the rather long min focus for the 400 prime, what is it 11 feet I think ? I had birds coming so close I couldn't take an image, never a problem with the 100-400.
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