thanks! That helps a lot. Shoulda said the lens is a Ilex_calumet 210mm f4.8.
The controls i dont know are like a shutter release that says M BLUE F WH X RED with a knurled knob inside the lens next to it.
And a 2pc knob that looks just like what you set the time with on an old watch on the top left of the lens,next to shutter.
The cable release is is a bad spot whoever designed this, its recressed so its hard to screw the release in straight w/o stripping the threads.
will check that website thanks again!
ez