Try to open the bezel, turn the reflector 90 degree, or other, see how improve, you may move a little up/down inside the head too.
Some of my old C Mag (serial without letter C, just no.) got similar bad spot(not bad as yours), because the reflector is not perfect at that decade.
Some of my old C Mag (serial without letter C, just no.) got similar bad spot(not bad as yours), because the reflector is not perfect at that decade.
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