...curtain flash sync. Or set flash in ATG wireless IR ETTL Slave modes and pop-up the flash on Canon EOS-70D. ...
...battery, then set flash to "Master" on camera and other EX to "Slave". Turn all three on(1st flash, 2nd flash and camera. Do not press shutter button but press the pre-flash(pre-auto lock/flash) on ...
Bulb replacement for Sigma EF-500 DG Super My flash had suddenly stopped working today, changed the batteries, still did not flash. All the functions and buttons work except for the test button which ...
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