Hi all,
I am trying to clean up my recently acquired 178mm Kodak Ektar, and have been able to open up most parts of the barrel so far, but I am unable to release the front element retaining ring. It seems that the locking screw that holds the retaining ring in place is either damaged or has been removed on a past repair job and is now held in place by a glue or solvent.
https://imgur.com/a/dnmOAEH
It looks like there is a flathead screw head showing, but it does not grip a screwdriver at all. I have thought about using a friction wrench on it to see if I can prize the retaining ring loose by turning it, but I want to see if anyone can determine what the situation is here before I do something detrimental to my lens.
Please help me figure this out.
Many thanks.
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