Wireless Transmitter

Canon Speedlite Transmitter ST-E3-RT Specifications

Specifications

  • 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

Specifications in detail

Flash Modes

Flash-Related Function

Wireless Flash

AF Assist

Power Source

Construction

Miscellaneous

Physical Specifications