Wireless Transmitter

Canon Speedlite Transmitter ST-E3-RT

Fire compatible Speedlite flashguns over distances of up to 30m. Radio-frequency control provides reliable operation without direct line of sight.


  • Radio frequency remote flash trigger

  • Fire selected Speedlites from 30m away

  • Part of the E-TTL II flash system

  • Controls up to 15 flashguns

  • Remote camera triggering

  • Weather sealed against dust and moisture

What's in the box

Everything you need to capture amazing remote flash images, just add flashes and cameras

  • Speedlite Transmitter ST-E3-RT

  • Soft Case

Maintenance, Upgrades & Repairs

Keep your Canon cameras and accessories up to date with latest firmware and service updates, or book your equipment into your nearest authorised repair centre.

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