Yongnuo YN-622C-TX 1/8000 E-TTL Flash Trigger Flash Trigger Transmitter for YN622C (Electronics)
Hi, with the supplied firmware there were at my Metz 52-AF1 problems (flash is mounted on a 622c, Camera: 6d). When switching the zoom flash eventually stopped responding, the zoom-head did not move. Even when the shutter is released it happened very