I'd like to know whether I should suspect the dreaded mis-focusing here.
Yesterday I was shooting some dogs playing with 20D and 85mm f1.8. Because it was rather dark I often used apertures 2.2-2.5.
However, when checking the results from my pc I got the feeling that about 80% of the shots were off-focus -mostly behind if they were coming towards me. Of course, the dogs were running fast, but I had thought that 85mm f1.8 could follow them more accurately.
So, would you say this just because of shallow DOF combined with 20D shutter delay and lesser-than-1D-focusing? (I've never experienced this with 70-200f4)
BTW, can 20D focus predictively so that the shutter delay is taken along? (ie. focusing-shutter pressed-still focusing-click-done -- NOT focusing-shutter pressed-focusing stopped-click...)
Thanks for any help..!
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Larger version at http://picasaweb.google.com …photo#5005519567358215026
All shots are taken with the same set...