An engineer friend of mine asked, "Why does Nikon use grease to lubricate?"

Started 6 months ago | Discussion thread
larrywilson
Senior MemberPosts: 2,006
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Re: An engineer friend of mine asked, "Why does Nikon use grease to lubricate?"
In reply to Bryan Cady, 6 months ago

Yes, even wheel bearings on a car are sealed so that the grease will not be lost with the wheels turning.  It seems if there is a pivot for the mirror that it would be sealed so that grease or oil could not escape.

Larry

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