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Author Message   R COLLETT Rating: N/A Votes: 0 Posted on Wednesday, March 22, 2006 - 04:04 pm:    HI. i need to get at the diaphram actuating leaver on a xenon lens. the prob. is a slow diaphram. with the lens on inf.the diaphram snaps down fine. but when racked out to full extent the diaphram slows down. i think if i could clean the the actuating leaver bearing surface,it might cure the prob. the actual diaphram is clean and free of any oil/grease any help would be appreciated. regards, roy.