One of my LF lenses is in a Wollensak Auto shutter. The overall size of the shutter is roughly the same as a Betax #3. The cable release port is internally threaded, but the threads are straight, very fine, and my tapered cable release will not fit. I did some checking with some miscellaneous machine screws, and a 8-32 screw is about the right outside diameter, but the threads are too coarse. The threads in the port could be 8-40 or even finer. Does anyone know what the correct size is? Does anyone make such an adapter? If not, does anyone make a standard tapered cable release port attached to a bracket, or that could be mounted on a bracket?