Sony announces Cyber-shot RX100 Mark V with 315 phase-detection AF points

Breaking news: Sony has announced the latest version of its RX100 series: the Mark V. Our own Rishi Sanyal and Carey Rose are reporting live from Sony's event in NYC, so check back frequently for the latest information!  The Sony Cyber-shot RX100 V offers what Sony calls 'professional level AF performance' in the form of a new sensor with 315 phase-detection AF points over 65% of the frame, claiming the world's fastest AF speed at 0.05 seconds. It offers 24 fps shooting at full 20.1MP resoluti...