Leica Summarit -M 5cm F1.5 Lens CLA'd by Youxin Ye in July 2024.  His report is as follows:

Note:  CLA’d.  Cleaned and lubricated both aperture and focus rings.  Cleaned aperture blades.  Cleaned each element and removed haze inside.  The lens is clean and clear now considering its age.  Tested the lens with digital M body, the lens is in focus and produces good images.

This lens was manufactured in Germany in 1957

 

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