05-23-2015 07:30 PM
I have long since thrown out boxes for my 580 exII speedlite. Where do I find the serial number on the unit?
05-24-2015 01:34 AM
It's on the section of the unit that carries the light, on the side opposite to the one that says "SPEEDLITE 580EXII". It's on a panel with a bunch of symbols, beginning with the symbol for "Don't throw this in the trash". It's under the symbol for "This unit operates at 6 volts".
05-24-2015 01:45 AM
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