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Fire compatible Speedlite flashguns over distances of up to 30m. Radio-frequency control provides reliable operation without direct line of sight. Additional features for the Speedlite EL-1 and EL-5 supported.

Canon Speedlite Transmitter ST-E3-RT (Version 3)


  • Fitting: Canon E-TTL / E-TTL II

Product code: 6651 (6651C001)

In Stock - Dispatched in 3-5 days

Canon Speedlite Transmitter ST-E3-RT (Version 3)



No used versions available

Product Details

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 – a 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 camera 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 sync

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.

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