Sony has lately published a filed patent of a CMOS imager with phase matching AF detector built-in:-
Patent details Via Sony Alpha Rumors
So, if this design is to be implemented for a larger sized sensor, say, an APS-C sized one, then this will be really a good news for all those mirrorless system users, e.g., the NEX'!
New Technology Breakthrough - Phase Matching AF by Sensor! (Fujifilm's Patent)
Sunday, June 19, 2011
Sony Filed a Patent of (AF) Phase Matching Capable CMOS Sensor
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