Today, Sony announced that they will release a free firmware update for Sony a7 II cameras on November 18th, 2015. That will add uncompressed 14-Bit RAW image capture and activates phase detection autofocus for faster and more precise autofocus with lenses designed for interchangeable lens cameras such as Sony’s A-mount lenses.

So far, only Sony a7R II, a7S II and RX1R II have uncompressed 14 bit RAW.

Read more Sony Camera Rumor