Cobra auto 210 FLASH GUN BUILT IN SYNC IDEAL FOR Olympus OM10 20 30 4Ti etc

Soft Case for Olympus T20 Dedicated Flash

Olympus OM T20 - TTL Auto Flash for Olympus Film Cameras - For Spares or Repair

Olympus T20 Electronic Mount Flash For OM1 OM2 OM10 OM20 + With Case - Untested

OLYMPUS ELECTRONIC FLASH - T20

Sunpak Auto130 Flash Gun with Multi-angle for Olympus OM10 20 30 etc WORKING

Speedtron 2 Electronic Flash gun Ideal for Olympus Trip OM10 20 30 WORKING

Agfa Agfatronic 201B flash gun for use with Olympus OM10 20 30 etc WORKING