Chinon lens

Discussion in 'Extreme, Retro, Instant and More' started by manuel_odabashian, Nov 15, 2017.

  1. I just bought a 55mm f1.4 chinon m42 mount lens from ebay. I knew it was faulty but the owner did not appear to explain things proprely. The aperture ring sometimes goes all the way round and sometimes not but the problem appears to be that the iris does not close when I press the pin. Does anyone have any suggestions as to what the problem might be?
     
  2. ..is this the best place for a post like this? Sounds like you've got oil on the diaphragm - that's the most common cause for 'sticking' in a vintage lens.
     

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