AF phenomenon on the 70D: Can anyone explain?

Started Dec 18, 2013 | Discussions thread
OP chbaum New Member • Posts: 21
Re: AF phenomenon on the 70D: Can anyone explain?

Just to add to the phenomenon, there has been some new development.

Again, I chose a different object (parked car down on the street, especially its high contrast tires), and the problem occured again: many OOF images with the center AF field, none with the others.

Then I switched from One Shot AF mode to AI Servo, and the problem disappeared! I tested it with different objects again, even without a tripod - AI Servo delivers 20 in focus images in a row with the center AF field. Switched back to One Shot, got the old problem again.

Don't know what to think of this crap any longer... Well, gone shooting REAL images over the holidays and report back afterwards...

Best regards, thanks for the very civilised discussion, and have a peaceful and merry Christmas!


 chbaum's gear list:chbaum's gear list
Canon EOS 70D Canon EF 50mm f/1.8 II Canon EF 100-400mm f/4.5-5.6L IS USM Canon EF 100mm f/2.8 Macro USM Sigma 17-50mm F2.8 EX DC OS HSM
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