CANON SPEEDLITE TRANSMITTER
ST-E3-RT(Ver.2) Update

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Get more from your Speedlite Transmitter ST-E3-RT

Canon Europe is offering an update to owners of the Speedlite Transmitter ST-E3-RT. This update to (Ver.2) is a chargeable service to add extra features for greater control of compatible Canon Speedlite flashes (with compatible cameras), including the flagship Speedlite EL-1.

Additional functions supported by ST-E3-RT(Ver.2) vs ST-E3-RT

FE memory

Using the Flash Exposure (FE) memory feature1, the Speedlite Transmitter ST-E3-RT(Ver.2) can store the last E-TTL flash shot settings, allowing the photographer to switch to Manual Flash mode, making minor adjustments around these settings as needed, for a quick, easy and consistent set up.

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Micro flash

The Speedlite Transmitter ST-E3-RT(Ver.2) allows a new low-power option down to 1/8192 sec1, allowing photographers further control of the flash output across 14 steps of range. This is ideal when a subtle amount of light is needed to maintain the ambience in scene or portrait, while balancing the exposure with low ambient lighting.

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Wireless second curtain sync

The Speedlite Transmitter ST-E3-RT(Ver.2) now supports wireless second curtain sync1 when fired remotely, which opens up a number of creative options for greater artistic expression, such as trailing light.

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Pricing

Upgrading your Speedlite ST-E3-RT to (Ver.2) is a chargeable service and can only be done at an Canon Professional Service Centre.

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Upgrades

Enhance the performance of selected Canon EOS, Cinema EOS and XA/XF cameras to tell more compelling stories.

Speedlite EL-1

An advanced Speedlite that delivers superb reliability and advanced high-speed performance in a tough weather-resistant body.

Speedlite 600EX II-RT

Take complete control even in the most demanding situations.

Speedlite 430EX III-RT

A powerful and portable flash with radio triggering.

  1. Note, not all cameras and Speedlites are compatible with all updates, please check the Canon Speedlite Transmitter ST-E3-RT(Ver.2) product page for more details.