kentishrev Posted September 5, 2018 Share #1 Posted September 5, 2018 Advertisement (gone after registration) I have recently bought a used Summilux 50mm. The serial number starts 250..., so I think it's from around 1972. It's been working fine since May on M9, M6 and CL (with adapter). Using today on M-D and the focus and aperture rings are starting to stick when focus nears infinity. Put simply, if I'm at around f8, then move focus towards infinity, the rings 'catch' and turning the focus starts to turn the aperture at the same pace, moving it up (from, say, f8 to f11). Anyone else had this happen. If no easy fix then I have a 12 month warranty, but it would be a shame to lose it for a few weeks. thank you Link to post Share on other sites More sharing options...
Advertisement Posted September 5, 2018 Posted September 5, 2018 Hi kentishrev, Take a look here Summilux 50 Focus/Aperture Sticking. I'm sure you'll find what you were looking for!
farnz Posted September 5, 2018 Share #2 Posted September 5, 2018 It sounds like the grease might be hardening, which is not uncommon in older lenses, and it might be time for a CLA (cleaning, lubrication, and adjustment) by an appropriately qualified person. When that's been done it should be good for the next 46 years. Pete. 2 Link to post Share on other sites More sharing options...
Gobert Posted September 5, 2018 Share #3 Posted September 5, 2018 Indeed, give her a nice TLC with Leica and you won’t recognise her when she returns. 1 Link to post Share on other sites More sharing options...
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