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.
Remote flash trigger for Speedlite flashes
Sophisticated remote flash photography is made easy with the ST-E3 RT: fire multiple flashes at once, and control settings from a distance. Fire multiple cameras from a distance for synchronised shooting.
See full specification-
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.
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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. E-TTL II flash metering makes exposure control easy.
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Remote camera control
Trigger an EOS camera fitted with a Speedlite Transmitter ST-E3-RT 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.
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Easy to use design
The Speedlite Transmitter ST-E3-RT 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.
Specifications
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Radio frequency remote flash trigger
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Fire selected Speedlites from 30m away
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Part of the E-TTL II flash system
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Controls up to 15 flashguns
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Remote camera triggering
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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
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Speedlite Transmitter ST-E3-RT
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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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UPGRADE
ST-E3-RT (Ver.2) Upgrade
Add extra features and functionality to your ST-E3-RT with this paid upgrade to Ver.2
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Professional Flash
Speedlite EL-1
An advanced Speedlite that delivers superb reliability and advanced high-speed performance in a tough weather-resistant body.
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ARTICLE
Illuminating tropical bats with Speedlite flashes
Ever used flashes in the rainforest? Christian Ziegler picks out fine details in his beautiful bat photographs with Speedlite 430EX III-RTs.