I finally get some success in turning the auto-only diaphragm into manual diaphragm using
rubber band. As noted before, the crazy glue, pin insert with a hollow tube does not work for me. It is mainly due to my poor workmanship that the best hollow tube idea ends up in failure.
Rubber band to tide the diaphragm lever as if I push it to manual
Shame on me with the hollow tube trial
with crazy glue. The rubber band
replaces all these
Unfortunately, I am only 80% done as I lost the ball bearing that works on the f/stop turning. I don't manage to find any ball bearing resembling the tip of a ballpoint pen. Perhaps, I simply don't have a ball point pen. And for now, I compromise using a plastic cut out that is big enough to provide the friction against the groove on the aperture ring f/stop
Small plastic cut out as
temporary ball bearing
It ain't easy for me. But something cheerful tonight as I can use the lens in all apertures and feel the aperture stop when I change apertures.
NOTE: if you know how to find the ball bearing, please comment and make suggestions.