The YN600EX-RT equipped with the USB interface, supports firmware upgrade, the users can download the upgrade firmware through the Yongnuo official website to upgrade the flash. 5. Supports Wireless Optical Slave function The YN600...
The YN600EX-RT II equipped with USB interface, supports firmware upgrade, you can download the upgrade firmware through the Yongnuo official website to upgrade the flash. Support Auto/Manual Zooming Supports auto and manual zooming, the flash coverage can be changed between AUTO, 20~200mm. ...
Firmware can be updated via USB(Micro USB), Built-in AF assist beam emitter, transmission range is 100m.Two-way 2.4G radio communication, fully compatible for ST-E3-RT/600EX-RT/YN-E3-RT/YN968EX-RT/YN600EX-RT(II)/YN686EX-RT/YNE3-RX.Specifications:Type: On-Camera Speedlite ...