Unlock the power of sophisticated remote flash photography with the Speedlite transmitter ST-E3-RT (Ver.3). Control settings, fire multiple flashes and cameras effortlessly from a distance.
Canon ST-E3-RT is a compact radio transmitter that can fire up to 15 compatible Speedlite flashguns in three groups over distances of up to an impressive 30m.
Fire compatible Speedlite flashguns over distances of up to 30m. Canon Speedlite Transmitter ST-E3-RT V2 provides reliable operation even when a direct line of sight is not possible.