Advanced Settings On Flash: The 568EX supports advanced settings, you can customize the unit according to shooting preferences. * Support Motor Zooming (24~105mm): The 568EX covers a focal length range of 24~105mm by operated the zooming buttons. * Ultra -long-range Wireless Flash: YN568EX can receive remote wireless signal. * Supporting High Speed Continuous Shooting, the YN568EX can synchronize with all shutter speeds, the maximum shutter sync up to 1/8000. * Multiple Trigger Mode Supported: The 568EX can be triggered by hot-shoe, flash command slave mode, optical S1, and S2 (pre-flash- canceled mode.)