Sony RMT-P1BT Wireless Remote Commander Firmware Updates for Sony a7 III, a7R III, a9, a6400
Sony a7 III, a7R III, a9, a6400 will receive Firmware Updates to provide FULL compatibility for Sony RMT-P1BT Wireless Remote Commander. The firmware updates add full functions, but in the mean time, all four cameras will have preliminary support. Sony a7 III & a7R III Firmware Updates scheduled for April 2019 Sony a9 & a6400 …