Olympus Accessory Shoe 3 with original box!
The Olympus Accessory Shoe 3 is a dedicated flash adapter for the vintage Olympus OM-2 35mm SLR camera. It mounts to the camera's top prism and enables TTL (Through-The-Lens) "Off-The-Film" automatic flash exposure when paired with the Olympus T-Series flashes (such as the T32).