VEB Kamera- und Kinowerke Dresden (1959-1964) formed after merger with the East German part of Zeiss Ikon to form VEB Kamera- und Kinowerke, and took over the production of the Contax F, a development of the Contax S., succeeding VEB Kamera-Werk Niedersedlitz. Initially the cameras and accessories had a stylized 'KW in a diamond' logo and later the 'Pentacon tower' logo. Most of these cameras were produced as a source of hard currency and sold outside of East Germany. Six major variations were produced. The Praktisix, Praktisix II, Praktisix IIA, Pentacon six, Pentacon Six TL (early) and Pentacon Six TL (late). They are really a series of improvements from the first Praktisix. Other than the name changes there are no major changes from model to model. KW were also the home of the Praktina and the Praktica. Succeeded by VEB Pentacon Dresden in 1964.