B&H has the Sony Cyber-shot RX10 IV in stock and now shipping out to customers. This newest addition uses the familiar 24-600mm equivalent zoom lens and adds an incredible 24fps still image capture rate thanks to the BIONZ X processor. The RX10 IV’s AF system features 315 AF points with on-sensor phase-detection. Impressively, the AF and AE continues to track during the 24fps still image bursts. Check it out here at B&H Photo.
My RX10 III AF is great so I will not upgrade but for first time buyers who want the very best 4K super zoom today the updated RX10 IV is great.