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Speedlite Transmitter ST-E3-RT (Ver.3)

Sophisticated remote flash photography made easy
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$449 RRP ^Canon products are sold through retailers only.
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Sophisticated remote flash photography made easy

Remote flash trigger for Speedlite flashes

Sophisticated remote flash photography is made easy with the 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 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 ST-E3-RT(Ver.2)

Trigger an EOS camera fitted with a Speedlite Transmitter ST-E3-RT (Ver.3) 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.

  • ST-E3-RT Speedlite Transmitter back screen profile image
    Easy to use design

    The 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.

  • ST-E3-RT Speedlite Transmitter front slant profile image
    Wireless second curtain sync

    Speedlite Transmitter ST-E3-RT (Ver.3) supports wireless second curtain sync for the EL-1 when fired remotely, plus 1/8192 nuance lighting and flash exposure (FE) memory.