Hähnel Viper TTL Transmitter - Sony

• Control up to three groups of flash guns, each group comprising of multiple flash units
• TTL, Manual and Multi (Stroboscopic) mode
• Digital Channel Matching provides reliable connections
• Easily adjust mode & values on a group by group
• LCD Display indicates zones A, B & C on/off & flash power output
• Compatible with original speedlights & MODUS 600RT
• Use with the MODUS 600RT Speedlight for off-camera flash
• microUSB socket for firmware upgrade

FIRMWARE UPDATE:

ViperTTL_Son_Trans_V22