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These are oil spots, yes? S/N 324XXXX

km6xz

St Petersburg, RU
3577 posts

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"RE: These are oil spots, yes? S/N 324XXXX"

km6xz Moderator Awarded for his in-depth knowledge in various areas, including Portraits and Urban Photography Nikonian since 22nd Jan 2009
Thu 13-Dec-12 11:52 PM

Sealed motors are outside of the mirror box which is the area where non-lubed low friction materials are being used. Oil, in the few cases that actually turned out to be oil came from outside the mirror box, from ruptured motor seals. That is most certainly a warranty item and would have caused the motor to fail. The inside of the camera was probably sprayed pretty thoroughly to get that much inside the mirror box.
The spots in the OP's sample sure look different than small droplets of fluid that has any surface tension at all.
Cleaning it to see what solvent lifts it would be interesting. Filtered distilled water is a very good solvent for most organic compounds and if that did not remove it, anhydruous alcohol would probably(it also is used to absorb and suspend water) to complete the cleaning.
Stan
St Petersburg Russia

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A general, generic topic These are oil spots, yes? S/N 324XXXX [View all] , VandA4evuh , Thu 13-Dec-12 05:27 AM
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