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Photography Gear and Technique / Archived topic

Corrosion Problems

Started by okuma ·

  • 3Posts
  • 3Replies

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Corrosion Problems

3 posts
  1. I am getting corrosion with the aluminum lock rings on the Nikonos end of S & S cabels. Anyone know of a source for stainless steel or Delrin lonk rings?

     

    Other than daily cleaning/greasing any other suggestions?

     

    Thanks in advance.

  2. This is due to the fact that the bulkhead & the cable connection are made out of two different types of metal. It's called electrolitic pitting. That's why boat engines have zinc's. The softest metal will attract the pitting. In your case it is the sync cord connectors taking the beating.

     

    I was having the same problem with my sync cords on my first housing. I would leave the sync cords connected all the time, and I ended up with severely pitted connectors. I now disconnect my sync cord when I'm not diving. This has eliminated the problem for me. Short of putting a zinc on your housing this is probably the easiest solution.

     

    On an extended trip I will leave them connected, and clean them once half way through the trip.

     

    Of course, YMMV

  3. I had a zinc on my last housiing and it worked. Unfortunately, I can not get electrical continunity to cable connectors on new Subal housing.

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