Westcott FJ-X3 M Universal TTL Multi-Brand Flash TransmitterWestcott FJ X3 M Universal Multi Brand Flash Transmitter The Westcott FJ X3 M is a powerful and flexible wireless flash transmitter designed for photographers who work across multiple camera systems. Using Westcotts multi brand technology, it allows you to control the FJ Wireless Flash System from a wide range of cameras without needing a different transmitter for each brand. You get full TTL and High Speed Sync on Canon, Nikon, Fujifilm, Panasonic