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Author Message   Dennisdietz Tinkerer Username: Dennisdietz Post Number: 29 Registered: 08-2008 Rating: N/A Votes: 0 Posted on Saturday, January 02, 2010 - 06:50 pm:    Update... The Fantasea o-ring grease turned out to be way to thick, though it ended up un-wasted when I had to fix my washing machine. I've let the lens set a while and when back to it today. The focus is still quite smooth. I do not feel it is any stiffer than when I started this thread and on re-evaluation, I am happy with the "stiffness". I can turn the ring with two fingers while mounted on the camera but not loose enough to creep and provides good positive resistance for focusing. The spray white lithium (PB Blaster brand), seems to be the best solution I have used and seems perfectly good even on a bigger/heavy lens. I bet a shorter lens would be like buttered silk with this stuff. I don't know if it will be consistent over the years, but its good so far. Hope that will help someone and thanks to all for your help. If Anyone ever needs disassembly help with this lens, let me know.