In addition to the recently released Sony A7r II Sony also announced two additional cameras.
The Sony RX10 II is an upgrade from the RX10 that was a decent fixed-lens camera with 1080p video. This 1-inch sensor camera now shoots 4K video and has advanced slow-motion frame rates that were never before seen at this price-point like 240FPS at 1080p. The Carl Zeiss 24-200mm f/2.8 Lens is a nice touch too. 4K is at 30p or 24p.
The very portable Sony RX100 IV also shoots 4K but for only a maximum of 5 minutes. It uses the same 1-inch sensor.
The Sony A7s is a great camera but it only does 1080p internally. We were waiting for Sony to lead the way with a full frame mirror less camera that shoots 4K internally. Enter the A7rii, with the following specs: