Disassembly front element Nikkor 50mm...

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Author Message   Oe7gft Tinkerer Username: Oe7gft Post Number: 1 Registered: 06-2008 Rating: N/A Votes: 0 (Vote!) Posted on Monday, June 16, 2008 - 02:51 pm:        I have a Nippon Kogaku Nikkor-S 50mm f/2 with a tiny bit of fungus. It appears to be on the backside of the 1st element from the front. What would be the simplest way to reach it? Thanks, Gerhard   Rick_oleson Tinkerer Username: Rick_oleson Post Number: 600 Registered: 07-2006 Rating: N/A Votes: 0 (Vote!) Posted on Monday, June 16, 2008 - 06:59 pm:        Unscrew the ID ring (I use a piece of PVC pipe of appropriate diameter, faced with rubber or double-sided foam tape for a tool for this.... a proper size crutch tip can do it too), remove a set screw in the side and unscrew the filter-thread ring, then you can unscrew the front cell out of the lens (actually, at this point you may be able to lift the entire lens out of the barrel). From here, you should be able to unscrew the front element's retaining ring with a spanner to remove that element from the cell if required.

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