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Author Message   David_nebenzahl Tinkerer Username: David_nebenzahl Post Number: 65 Registered: 12-2009 Rating: N/A Votes: 0 Posted on Monday, January 18, 2010 - 07:39 pm:    Agree, but be careful if you choose graphite: it's easy to get it in lenses if you're not careful. The nice thing about graphite is that it's a completely dry lubricant. I'd still like to hear from an "expert" what the correct lubricant would be to use here.