Hey There Is there a flash adaptor?

There is not a flash adaptor that will enable you to use the metz flash with any automatic functions, you can only use  the flash in manual mode and not connected directly to the camera.

Various cheap remote RF couplers are available and a few isolaters which will allow you to attach the flash to your camera via a cable. You do not mention which model of Metz flash that you have but be careful because a lot of the old ones have a high trigger voltage which can damage a modern digital camera if fitted directly into the cameras hot-shoe.