How good is the contax af in terms of speed and ability to lock on?
Here is the video from the link that I posted above. This was the first update before they resolved the hunting af at mfd. So it is pretty good after the initial start for the adapter to catch its focus. It is screw af so not silent esp the start up. Check the video. The fast phase detection af is only with A7 II (after firmware 2 update) & A7R II. Older A7/A7R works only with slow contrast af.
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