HÄHNEL VIPER TTL SONY

Control up to three groups of flash guns, each group comprising of one or more flash units TTL, Manual and Multi (Stroboscopic) mode control LCD indicates user-friendly status of each group TTL Pass Through hot shoe on transmitter allows E-TTL speedlight's or other TTL systems such as Canon ST-E3 or Tuff TTL to be combined with the Viper DCM (Digital Channel Matching) to provide reliable connections Over 100m range Mini USB socket for external power source or firmware upgrade Full compatibility with original Canon speedlight's & also some 3rd party speedlight's Easily adjust mode and values on a group by group basisBox includes both receiver & transmitter