Canon ST-E3-RT-V3 Version 3 Speedlite Transmitter

The Canon ST-E3-RT-V3 Version 3 Speedlite Transmitter is a wireless flash transmitter designed to work with Canon's E-TTL II flash system. The transmitter allows for wireless rear curtain synchronization, which is useful for capturing motion blur effects in low light situations. It is compatible with Canon's E-TTL II flash system, ensuring seamless communication and automatic flash exposure control.

The transmitter can control up to 5 groups of flashes or a total of 15 Speedlites simultaneously, providing flexibility and precise lighting control. It has a wireless range of up to 30 meters, allowing for remote flash control even from a considerable distance. With 8 custom functions and 3 personal functions, you can customize the transmitter's settings and behavior to meet your specific shooting needs. The transmitter features an LCD information panel that provides clear and easy-to-read information about its settings. The backlit controls ensure visibility in low light conditions. It is also weather-sealed, offering protection against dust and moisture. This makes it suitable for use in challenging outdoor environments.

Product Features in Detail

Remote flash trigger for Speedlite flashes
Sophisticated remote flash photography is made easy with the SPEEDLITE TRANSMITTER ST-E3-RT (Ver.3): fire multiple flashes at once, and control settings from a distance. Fire multiple cameras from a distance for synchronised shooting.

Reliable off-camera flash control
Control compatible Canon Speedlite flashguns over distances up to 30m. 2.4GHz radio frequency triggering operates reliably, even when shooting outdoors and around corners – direct line of sight not required.

Multiple flash photography
Create intricate multi-flash lighting set ups, triggering up to 15 Speedlite flashes with a single camera-mounted Speedlite Transmitter SPEEDLITE TRANSMITTER ST-E3-RT (Ver.3). E-TTL II flash metering makes exposure control easy.

Remote camera control
Trigger an EOS camera3 fitted with a Speedlite Transmitter from a second unit or from a compatible Speedlite flashgun, such as the Speedlite 600EX II-RT. Up to 15 cameras can be triggered at once, for synchronised shooting.

Easy to use design
The Speedlite Transmitter SPEEDLITE TRANSMITTER ST-E3-RT (Ver.3) is sealed against dust and moisture to the same degree as professional EOS cameras and L-series lenses. It features an easy to read back-lit LCD control screen and is powered by two AA/LR6 batteries.

Wireless second curtain sync4
The SPEEDLITE TRANSMITTER ST-E3-RT (Ver.3) supports wireless second curtain sync for the EL-1/EL-5 when fired remotely, plus down to 1/8192 nuance lighting and flash exposure (FE) memory.