Does anyone know how or if high speed sync can be triggered using a Canon 7D and a Sigma EF-610 DG Super? After making all the settings as per the 610's manual, as soon as I meter/focus the camera ...
I have a Sigma 610dg super flash that I wish to trigger with the TriggerTrap flash adapter (tt-fa1). Sadly I cannot make this work. I have tried two different TriggerTrap dongles but the flash never ...