Olympus TTL Auto Connecter Type 4
The TTL Auto Connector Type 4 is designed exclusively for use with the OM-1n or OM-2n (it does not fit the OM-1 or OM-2) to accept a TTL Auto Cord T for off-camera flash operation.
The unit is screwed into the camera hot shoe socket when necessary, in place of the Accessory Shoe, providing full support for TTL "OTF" Flash in combination with a TTL Auto Cord T.
The other side of the TTL Auto Cord T can be plugged into any of the following units to provide off-camera flash: Power Bounce Grip 2, TTL Auto Connector T20, Electronic Flash T32, Electronic Flash T45, T Power Control 1, TTL Auto Multi Connector.
