I was reading this rumors on several sites. They say that the upcoming A7000 (a fake picture was posted days ago) incorporates the Contax AX AF.
The sensor is mount on a tray that slide in Z direction. It allows approximately 18mm of focus adjustment. As actuator you have strong piezoelectric servo, this make for rapid movement back-forth if selected that option.
Is this really a viable solution for universal lens adapter and image stabilization?
The main source is alpharumors: http://www.sonyalpharumors.com/sr5-there-is-a-sony-camera-to-come-also-for-nikon-and-canon-lens-owners/
But the news was on The Verge too...
No, it is only solution for focusing :-)
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