Filed under: Digital CamerasRemember that autofocus fix that Canon was supposedly working up? Turns out, the company isn't quite ready to start accepting faulty EOS-1D Mark IIIs just yet, but it is shipping out upgraded versions to new buyers. Rob Galbraith managed to wrap his hands around not one, but three of the new DSLRs in order to substantiate his findings, and what he found was noticeable improvement. In summary, the sub-mirror fix was said to boost the performance of the AF, as it enabled the camera to deliver "about the same number of in-focus frames whether it was warm or cold." Unfortunat
