Manuel A : Will the FP (high speed synch) work with a DMC GX1?
Regards;
Manuel.WILLIAM M : Panasonic DMC-FH2, DMC-FH20, DMC-FH25, DMC-FH27, DMC-FH3, DMC-FH5, DMC-FP1, DMC-FP3, DMC-FP5, DMC-FP7, DMC-FX700, DMC-FX75, DMC-FX78, DMC-FZ100, DMC-FZ35, DMC-FZ40, DMC-LX5, DMC-S1, DMC-S3, DMC-TS10, DMC-TS2, DMC-TS3, DMC-ZS10, DMC-ZS7, DMC-ZS8, DMCZR3DENNY C : Presuming the DMC-GX1 supports FP-TTL (and I don't know why it wouldn't), the answer should be yes. The Olympus FL-50R or FL-600R would also be compatible, as would the Metz 58 AF-2 for Olympus/Panasonic/Leica, and cost less. The DMW-FL500 is a rebadged Olympus FL-50.
