The practical aperture limit seems to be f/1.4 and this has been the case since 1936. With very few exceptions, there are no Leica lenses with an aperture higher than f/1.4. A very compact lens with a wide range of use.
• Production Period: 1961 – 1995
• Bayonet: Leica M-Bajonett
• Focusing range: 1 m bis ∞
• Lens hood: Extern Nr. 12504
• Filter/Filter thread: E41, later VII
• Leica Nr. 11869, Serialnumber 2548831