With the world’s fastest autofocus system (A6000)

Started Feb 12, 2014 | Discussions thread
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jpr2 Forum Pro • Posts: 14,710
re: just wonder - WHAT lens you might have in mind?

erringtont wrote:

I also took a look at the A7 documentation and it appears this has been improved on that model but is still limited:

"When the aperture value is F9.0 or above, Phase Detection AF cannot be used. Only Contrast AF is available."

My original question, in a reply to JPR2 post, was in regards to the a6k. If the new faster AF system in that camera is available at all, or higher value apertures, then that is an improvement and would be an item I would take into consideration if I were to upgrade.

is your question set out of purely academic interest? What lens it might be to have aperture f/8 wide open??

I'm assuming of course that a6k will allow a modern setting of focusing wide open, and closing the iris to a predefined value only upon shutter release!!

jpr2

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