【High Guide Number, Supports TTL HSS】GN58@ISO100,105mm. Supports TTL, M, Multi flash, with high-speed synchronization function, all shutters are available for shooting, the maximum shutter synchronization speed is up to 1/8000s. | 【Compatible with Canon DSLR Camera】Canon 1Dx, 1Ds series, 1D series, 5DIV, 5DIII, 5DII, 5D, 7D, 7DII, 6D, 80D, 70D, 60D, 50D, 40D, 30D, 20D, 800D, 750D, 700D, 650D/T4i, 600D/T3i, 550D/T2i, 500D/T1i, 450D/Xsi, 400D/Xti, 350D, 100D, 1100D, 1000D, 1200D, 1300D. | 【Supports C’s Optical Transportation wireless Master Flash】In the optical transportation wireless flash shooting, the YN568EX III can used as master unit to trigger the YONGNUO and Canon EX series speedlite (except the YN585EX),supports 4 channels, realize wireless TTL, manual flash and stroboscopic flash. | 【Compatible With C and N’s Optical Transportation Wireless Slave Flash】 One YN568EX III can respectively accept the master unit of YN600EX-RT II、YN568EX II、YN568EX III, 600EX(II)-RT, 580EX II, SB-910, SB-900, SB-800, SB-700, Nikon internal flash and Canon commander and wireless signal of 7D, 60D, 600D, realizes external TTL and manual flash and stroboscopic flash. | 【High Speed Recycling System】The recycling time for full output just takes 2 seconds; you can get high speed current-return experience even without using brand new batteries, which will only takes 3-4 seconds.