Canon Speedlite Transmitter ST-E3-RT

March 2, 2012 | Zoltan Arva-Toth | Accessories | 1 Comment |
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The Canon Speedlite Transmitter ST-E3-RT is a weatherproof radio-frequency flash trigger for reliable off-camera flash control. With the ST-E3-RT, photographers can control compatible Canon Speedlite flashguns -  such as the new 600EX-RT - over distances up to 30m, even without direct line of sight. Additionally, the transmitter can also be used for camera triggering - any EOS camera fitted with a Canon ST-E3-RT can be triggered from a second unit or from a compatible Speedlite flashgun. Part of the E-TTL II flash system, the Canon Speedlite Transmitter ST-E3-RT features an easy to read back-lit LCD control screen and is powered by two AA/LR6 batteries.

Canon Press Release

Canon Speedlite Transmitter ST-E3-RT

Fire compatible Speedlite flashguns over distances of up to 30m. Radio-frequency control provides reliable operation even when direct line of sight is not possible.

Features

  * 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.

A radio-frequency flash trigger aimed at professional photographers using off-camera flash.

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. E-TTL II flash metering makes exposure control easy.

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-RT. Up to 15 cameras can be triggered at once, for synchronised shooting.

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.

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#1 Anaren

Hey how does this stack up to the ST-E2? Worth the upgrade cost?

7:08 pm - Tuesday, August 7, 2012