This problem is caused when the supply voltage of the Sony Venice camera is set to a value which is too low. This leads to the behavior that the lens is not recognized by the camera, in which case no lens information (Cooke /i) is shown on the camera display. However, it can also happen that the lens is detected by the camera, but the metadata is only available sporadically, which leads to a flickering of the lens information on the camera display.
The problem can be solved as follows...