Carl Zeiss (Oberkocken) established at Oberkochen, Hessen in West Germany in 1945 (in East Germany the Jena and Dresden factories became Kombinat VEB Zeiss Jena) . Initially Opton Optische Werke Oberkochen GmbH in 1946, becoming Zeiss-Opton Optische Werke Oberkochen GmbH in 1947, but soon renamed to Karl Zeiss. West German products were named Opton when sold in the Eastern bloc. Took over East German Carl Zeiss, Jena in 1990s, now known as Carl Zeiss AG