Steinhell Munchen Culminar 135mm f4 M42

C. A. Steinheil Söhne Optical and Astronomical Works was a German optical company based in Munich (München), Bavaria. It made optical equipment and camera lenses from the 19th century until at least the 1970s. The company was founded in 1855 by Carl August von Steinheil (1801-1870), a German physicist and astronomer. At the time of founding, the organization was known as the Steinheil Optical Institute. The company made many of the astronomical telescopes for German observatories include those at Upsala, Mannheim, Leipzig, and Utrecht.Carl's son Hugo Adolph Steinheil (1832-1893) bought out father's interest in the Institute, renamed it to C. A. Steinheil Söhne and continued as owner of the company after his father's death in 1870.

Dhina A