One YN568EX III can respectively accept the master unit of YN600EX-RT II、YN568EX II、YN568EX III、600EX(II)-RT、580EX II、SB-910/900/800/700,Nikon internal flash and Canon commander and wireless signal of 7D/60D/600D,realizes external TTL and manual flash and stroboscopic flash.
GN58@ISO100,105mm, support TTL, M, Multi flash. .
The YN568EX III is equipped with the AF-assist beam emitter, allows you to focus easily in dark environment.