hey peeps, i've got two speedlites, 320ex & YongNuo 480. The problem is, whenever i use slaves mode, sometime it syncs, sometime it doesnt. So whats the problem? (i'm using DSLR Canon 600D)
(1) am i to far from my speedlites?
(2) or is it the angle i've position the speedlite?
(3) Or is it my beginner cam cant sync well?