This Promaster optical slave sensor is used to remote trigger a flash unit that does not have a slave sensor. It can also be used as PC connector to hot shoe adapter. Works with most CANON flash guns in auto mode or manual mode (TTL mode is not supported). Compatible with most CANON electronic flash units.
In the Box
- Compatible with most CANON electronic flash units.
- Promaster Optical Slave Trigger for Standard Hot Shoe | Canon Only