Main functions: I-TTL / manual output / strobe / front and rear curtain sync / high speed synchronous optical / Master / optical auxiliary lamp / light flash (S1) / two light flash (S2)
The maximum flash GN index (180mm 60, ISO 100, m)
Shorter response time
The flash coverage 18-180mm lens focal length
Dustproof and waterproof drop performance
Wireless flash control
Comprehensive professional flash function
Supported by the camera set up a variety of flash function