Pocket Wizard Flex and 580EXII Failure...
Small local shoot.
(3)- 580 EXII
AC3 on Canon 5dmark4
shoot wireless to canon profession software MBP
L478U sekonic flash meter
power everything up.
test lights and get exposure with lightmeter.
Take a calibraion shot...nothing happens...
fire from lightmeter- I just get a whimpy PPFFFT flash.