Sony has a new 4K camcorders for video pros. The Sony PXW-Z190 3-CMOS 1/3″ Sensor XDCAM Camcorder can capture 4K video at up to 60p. It has a 25x optical Sony G zoom lens and an electronic variable ND filter. With HLG support, you can shoot footage compatible with both HDR and SDR.
With dual SD card slots, you can shoot 4K and HD simultaneously. The PXW-Z190 has dual-band WiFi capability. The above video shows its face detection AF in action.