Olympus FL-LM1 Flash
The olympus FL-LM1 Flash allows users to add a little bit of fill light to
their scene or trigger slave flash units remotely from the camera body. It has
a guide number of 23' at ISO 100 and has a wide coverage of 14mm lenses in the
Micro Four Thirds format. Also, the flash is compatible with olympus' TTL
system and offers wireless master TTL functionality for controlling up to 3
groups of remote flashes.