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Rodenstock Konterring Counter Ring Jam Ring M39 Retraining * Excellent

    £14.99

    1 in stock

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      Rodenstock Konterring Counter Ring

      A Rodenstock Konterring (counter ring or jam ring) is a vintage metal retaining nut made in Germany to securely mount darkroom enlarging lenses onto unthreaded lens boards

      Key Details
      Function: Acts as a locknut or jam ring. You screw the enlarging lens through a hole in a flat lens board and tighten the counter ring from the back to lock the lens firmly in place.
      Sizes: Commonly found in specific internal thread diameters to match standard enlarging threads, such as 28mm or 39mm (M39).
      Use Case: Primarily used in film photography darkrooms for enlargers and large-format optical setups

      The ring is in excellent cosmetic condition, please see photos provided.
      Any questions, please ask.
      International buyers are welcome.
      If you have any problems with the delivery or the item, please let me know so I can resolve it!
      All deliveries will be Tracked and Signed-For, I also pack all items to high standards.
      Please buy with confidence and check out my other items.
      Thanks for looking.
      *****
      3015

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