So, if lets say i have only ONE flash (no master function) using a camera that does not have a on board flash like the FF cameras of canon, would:
1) oc-E3 be better (maybe it has some functions over the RF-603 because its wired)
2) One unit of the rf-603 on the hotshoe of the camera body and one unit on the said flash.
Given both allow the flash to be off camera, is the only advantage of the RF-603 the farther range given the oc-e3 limitation of its wire.
I guess if you are using 3/4 flashes (all with no master function, cos if there was, i guess thats the go to choice), the RF is the obvious better option?