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Help disassembling a CZJ Flektogon 4/25 M42
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PostPosted: Fri May 18, 2018 6:31 am    Post subject: Help disassembling a CZJ Flektogon 4/25 M42 Reply with quote

Hello everybody,
I bought a flek 4/25 , I would like to repair the aperture blades mechanism as it does not work properly.
I post some photos as guide to open it





to open the rear optic: unscrew the retaining ring (yellow arrows), and unscrewing the cover (red arrow) we can see the aperture blades mechanism. I think it is missing a spring (green):






the front optics group is removed by unscrewing first the name ring then the inner retaining ring:





giorgio