ST-E3-RT can be transmitted by radio and become the main control unit for multi-light photography. ST-E3-RT does not support optical pulse transmission. Up to 5 groups, 15 SPEEDLITE 600EX-RT set as slave units can be controlled. The longest distance capable of radio transmission is about 30 meters, and the surrounding is 360° Configure the slave unit flash within the range. Using large dot matrix LCD screen(172× 104 points), While improving the visibility, the buttons and operating parts adopt back-through-type lighting. The waterproof and dustproof performance is comparable to SPEEDLITE 600EX-RT. Sealing measures are taken in the external seams, LCD screen, movable parts and operation panel. In addition, when ST-E3-RT is installed, other cameras can also be operated remotely. When multiple cameras are used, remote shutter release can be used to achieve linkage shooting.
- 1 This function supports: EOS-1D X, EOS 5D Mark III
- 2 Although this structure has a certain degree of waterproof performance, if you are shooting in rainy weather, please try not to get this product wet
- Corresponding product: EOS camera corresponding to E-TTL II/ E-TTL auto flash