R RuneL Nov 23, 2010 201 0 6,281 Jul 18, 2011 #1 Jul 18, 2011 #1 ETTL is broken on my 1D IV, it won't communicate with either of my flashes, it can fire them but not sync at anything above 120 - anyone know what this might be? Triede googling it, no luck!
ETTL is broken on my 1D IV, it won't communicate with either of my flashes, it can fire them but not sync at anything above 120 - anyone know what this might be? Triede googling it, no luck!
