Does anyone know whether the Nikonos RS O rings are made from:
Silicone - which requires that Floro-slicone grease (e.g. blue capped silicone from Sea & Sea or Molykote FS1292); OR
Non silicone or Black Nitrile (NBR) - which requires regular silicone grease like Molykote 111 OR petroluem gel
My thinking is that it is probably Silicone O rings (as it is Orange in colour as the old non silicone O rings used to be black). But I have since got confused because in Jim Church's book on the Nikonos system he explicitly said that no grease with silicone should be used on the Nikonos V or RS's O rings. As far as I am aware, if the O ring is silicone both Floro-silicone or regular silicone should work.
Can someone help clarify?
paulwhngMember Since 23 Oct 2003
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