Leitz Elmax 50mm f/3.5, 5-element lens, 1925.standard screw mount (RF-coupled)

Leitz Elmax 50mm f/3.5, 5-element lens, 1925 – An original early Elmax lens, produced in 1925 with the rare 5-element optical design. In 1936, the lens was officially converted by Leica into the standard screw mount (RF-coupled) version with meter scale. The glass remains clean and well-preserved. Offered complete with original front and rear caps.