IIRC, in "red eye reduction" mode, FZ5 does fire a pre-flash. The Embolitz can be set to work in "normal" mode or "pre-flash" mode. In the former it fires once it detects the flash, the latter, it'll only fire with the 2nd (main) flash.
metallilan said:i don't recall the fz5 having pre-flash function...:think: