The Apollo and Halo series works most effectively by utilizing radio triggers or an extended sync cord. Relying on IR (infrared) commonly found built into today's DLSRs and speedlites may result in inconsistent firing.
The Apollo and Halo series works most effectively by utilizing radio triggers or an extended sync cord. Relying on IR (infrared) commonly found built into today's DLSRs and speedlites may result in inconsistent firing.