Phase detect AF video - I still don't get the "why".

Started Jul 9, 2012 | Discussions thread
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Re: Phase detect AF video - I still don't get the "why".
In reply to Shield3, Jul 10, 2012

Shield3 wrote:

Ok guys, ignore the 12fps. I can shoot in "hi" mode @ 8FPS with AF at any F/stop. It will refocus for each shot as well.

And the aperture opens and closes 8 times per second too...

Shield3 wrote:

Also, if the Af system is good to F/5.6, why can I not set my F/2.8 lens to F/5.6 and record video? I can stick a 70-300 Tamron on there and record F/5.6 AF video at the long end.

Good question.

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