by Jakub

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Turn your Mode dial to the Flash icon with the line through it.


If the internal flash is used as a Commander to control remote TTL flash(es), it HAS TO flash commands to the remote before the shutter opens. It is the Commander, it must Command (by flashing). It flashes commands (addressed to each enabled group), which are a request for a TTL preflash from each group. The remote (or remotes) answer in turn with a ...

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