This item is an Olympus T20 electronic flash.
Olympus T20 Shoe Mount Flash For Olympus OM-1, OM-2, OM10, OM-4 OM Series
Olympus T20 Shoe Mount Flash in nice working condition
Olympus T20 Shoe Mount Flash
Olympus T20 Shoe Mount Dedicated Flash for OM10, OM20, OM30, OM40, OM1N, OM2N
Olympus T20 Electronic Mount Flash For OM1 OM2 OM10 OM20 + With Case - Untested
Olympus T32 Shoe Mount Flash
