In their respective economies, the enterprises in both parts of Germany, i.e. in Oberkochen and in Jena, emerged as optical technology leaders over the course of just a few years. Initially, this trend was also driven by their productive collaboration. Jena supplied documents for older products, while Oberkochen offered drawings for new developments. In some countries, the companies even utilised joint sales channels, until the government of the GDR prohibited all cooperation in the spring of 1953.
Just 20 years ago, the political change rang in the reunification of the two companies as Germany became one again. As early as 1990, the separated Zeiss managers made their intentions known that they wanted to reunify under the auspices of a Carl-Zeiss-Foundation. With the establishment of Carl Zeiss Jena GmbH, Carl Zeiss took over the fine mechanics and optical core business. Despite huge challenges, the reunification process could be brought to a successful end. Since then, Carl and Zeiss have finally become one Carl Zeiss again and have presences not only in Germany, but all around the globe.