I ordered after a lot of thinking to handle for my V1. This part looks beautiful, fits harmoniously to the camera and can be mounted easily. Down in the handle is a threaded socket for mounting the camera on a tripod. The threaded bush is, however, about 3 cm from the lens center axis. To charge the battery of the handle must be removed. The handle is quickly and turn again. The approximately 80,00 Euro are a lot of money for the plastic part. Nevertheless, the camera is significantly better in the hand than without handle. One can handle with holding the camera comfortably in one hand, without having the feeling that it slides off. Especially when you turn the zoom ring, the camera is now sick in his right hand. Without handle, I was always afraid that I slipped the camera out of his hand. If you still have sweaty hands in the summer, you can hold the camera securely with both hands. Small side effect: The camera is padded by the handle by about 1 cm at the bottom plate. When placing the camera on a table, for example, the lens suggests not so easy on the table surface.
These ergonomic reasons out I can recommend to handle any V1 users.