Fire compatible Speedlite flashguns over distances of up to 30m with this Canon ST-E3-RT Speedlite Transmitter. Radio-frequency control provides reliable operation even when direct line of sight is not possible.
- 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.