With the OM1, Olympus seemed to come out of nowhere to a position of some prominence in the 35mm SLR market.

Suddenly, there was another professional system in the marketplace, and because of its size it was significantly different when compared with the rest of the marketplace.

Early adopters were almost religious about their appreciation for their cameras and lenses.

Other brands responded by either reducing the size of their competing models or adding smaller models to their line.