(3)When taking pictures outdoors or under bright ambient light, the sensitivity of the sensors may be reduced.
(4)To avoid interference between flash units, using more than three flashes in a group is not recommended.
(5)Avoid aiming the flash directly into the camera lens.
PC SYNC TERMINAL
The ProMaster FL1 can be used with cameras without a hot shoe. Some cameras have an
26 Slave Flash Setup / PC Sync Terminal