Here are three videos of the OM SYSTEM OM-3 camera mechanical shutter sounds: OM System OM-3 camera order links: Adorama | B&H | WEX | Erhardt | Koch). Related posts: OM System announced the OM-3 camera and M.Zuiko Digital ED 100-400mm, 17mm, and 25mm lenses OM System OM-3 camera reviews OM System OM-3 camera reviews and impressions