Canon ST-E3-RT Speedlite Transmitter Version 2

Canon ST-E3-RT Speedlite Transmitter Version 2

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

Highlights

• Radio frequency remote flash trigger
• Control multiple compatible Canon Speedlite flashguns over distances up to 30m
• Wireless second curtain sync

Fire up to 15 compatible Speedlite flashguns over distances of up to 30m. The updated Canon Speedlite Transmitter ST-E3-RT(Ver.2)² enables all the wireless radio features of the Canon Speedlite EL-1, including wireless second curtain synchronisation, low power (1/8192) output and Flash Exposure (FE) memory. It also enables support for some of these additional capabilities with other compatible Speedlite models. The 2.4GHz radio frequency triggering operates reliably, even when shooting outdoors and around corners, meaning that having a direct line of sight is not required. Trigger an EOS camera fitted with a Speedlite Transmitter ST-E3-RT(Ver.2) 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.

Benefits:

• Supports wireless second curtain sync and Flash Exposure (FE) memory with compatible cameras/Speedlite, plus 1/8192 nuance lighting with the EL-1
• Radio frequency remote flash trigger
• Fire selected Speedlites from 30m away
• Part of the E-TTL II flash system
• Ideal for creative flash photography as it controls up to 15 flashguns
• Remote camera triggering for up to 15 cameras at once for synchronised shooting
• Weather sealed against dust and moisture

Please note:

• Please check the specifications for the full feature-set and camera/Speedlite compatibility, as this will vary depending upon equipment used.
• If you own the original Canon Speedlite Transmitter ST-E3-RT (pre-2021 generation), then a chargeable service update is planned for release later, via specified Canon service facilities. For details, costs, and when this service will be made available, please check our marketing site.
• Available wireless (radio transmission) features depend on the Speedlite and camera combination, please see the ST-E3-RT(Ver.2) product page for more information.