Newbie question - I just took delivery of a pair of PocketWizard ETTL triggers (MiniTT1 and FlexTT5) and a Westcott Apollo softbox. The 580EXII flash head mounts inside the softbox, shoots into the reflective back of the softbox, and then bounces back out through the opaque front material on to the subject.
So my question is, can I shoot ETTL with this setup or do I need to shoot manual? I'm guessing manual.
PocketWizard have updated their ETTL triggers so that the Pre-Flash is double the strength of the normal Canon pre-flash. But I don't know if it's enough to take a measurement through the Apollo softbox.
Anyone? (go easy on me, this is my first time shooting with a flash)