jffielde Posted September 4, 2012 Share #1 Posted September 4, 2012 Advertisement (gone after registration) I'm looking at a 2-year old Leica 50mm f/1.4, and there's grease visible in the ring between the rear element and lens housing. I can stick a q-tip or corner of a napkin in the crack and wipe it out. Does this exposed grease mean I should pass on this otherwise excellent lens? I haven't noticed the grease on other lenses, but I really haven't been looking for it. Thank you for your help. Joe. Quote Link to post Share on other sites More sharing options...
Advertisement Posted September 4, 2012 Posted September 4, 2012 Hi jffielde, Take a look here Grease Near Rear Element a Problem?. I'm sure you'll find what you were looking for!
Erik Gunst Lund Posted September 4, 2012 Share #2 Posted September 4, 2012 It's grease working it's way out of the focusing helicoil, this is visible on many Leica M and LTM mount lenses, just whipe it off, with a lint free cloeth on a Q-tip but don't get 'anything' into the threads, the tolerances are tight, and a hair or dirt makes problem... Quote Link to post Share on other sites More sharing options...
jffielde Posted September 4, 2012 Author Share #3 Posted September 4, 2012 Thank you, kind sir. Quote Link to post Share on other sites More sharing options...
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