Archived posting to the Leica Users Group, 1997/02/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>seungmin@luxmail.luxcom.com wrote: >> >> Hi, >> >> I just bought a 50mm Summicron and noticed some lubricant was visible >> on the back. I have seen some R lenses had lubricant on the lens >> blades but nothing like this. I just wonder if it has any hidden >> effect on the lens or is any sign of going bad. Any information will >> be appreciated. Oil can vaporize if heated and coat the inside of the glass producing what looks like a fine water spot pattern. Outside of that it's probably not a problem. Watch the inside surfaces of the lens and have it cleaned by a good shop should this problem arise. Regards, Ben W. Holmes Boulder, CO USA bholmes@frii.com