

Leitz rapidly grew the company and increased the output of the preferred optical device of the era - the microscope - until the company was producing 4,000 units a year in 1900. In 1869, he assumed direction of the company and added his name to the Institute’s title, calling it the Ernst Leitz Optical Works. Leitz died in 1920 with his son taking over.Įrnst Leitz began working at the Optical Institute in 1864 and became a partner there the following year. Ernst Leitz I became owner of the Optical Institute in 1869 and built microscopes. This think-tank is why just about every major European optics manufacturer can trace its roots to Wetzlar. In 1849, a man named Carl Kellner started the Optical Institute in Wetzlar. Wetzlar is unique among cities in the world because it’s the birthplace of modern sports optics. The town of Wetzlar, Germany, is located about an hour north of Frankfurt.
