Best NEX PDAF review and analysis I ever seen

Started Oct 25, 2012 | Discussions thread
Cheng Bao
Contributing MemberPosts: 946
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Re: Best NEX PDAF review and analysis I ever seen
In reply to Cheng Bao, Oct 25, 2012

It seems the tester has post his finding in this forum:

http://forums.dpreview.com/forums/thread/3287143

However, I just did some test on my nex-5n

I use A mode, set aperture to F25 on an 18-55 kit lens.

With LCD Display: Setting Effects On

The iris is shrink to minimal during live view, when I half press the shutter, the iris wide open, (to focus I guess) then back to minimal.

With LCD Display: Setting Effects Off

The iris is wide open during live view, when I half press the shutter, the iris shrink to minimal if I keep shutter half-pressed (after focus I suppose).

And the AF performance difference is negligible.

So I wonder why nex-5r and 6 can't make the procedure just like nex-5n?

when you half-press shutter to AF, camera open up the aperture to focus, then shrink it back.

You still get DOF preview and PDAF in same time.

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