ProMaster MS1S Speedlight Transmitter - Sony
The technical details behind this Speedlight Transmitter ProMaster MS1S Speedlight Transmitter - Sony works over a long-range (325' 100m) to control a ProMaster 200ST-R Speedlight as a slave flash. It can fire the slave(s) in up to 3 groups with up to 15 slaves per group using features such as TTL exposure control, slow sync. HSS high-speed sync., flash bracketing, exposure compensation, and more. Key features 2.4GHz radio operating frequency Wireless range: 325' / 100m 15 Channels + Auto Top three Reasons we think you will love this Speedlight Transmitter Reliable Incredibly efficient Great Performance Our experts opinion ProMaster MS1S Speedlight Transmitter - Sony offers great features and amazing value for money.