"Praktica was a brand of camera manufactured by Pentacon in Dresden in eastern Germany, within the GDR between 1949 and the German reunification in 1990.
The firm Pentacon was divided in mainly two parts and sold after German reunification. Schneider Kreuznach and Noble bought parts of it.
Pentacon is a Dresden-based company in the optical and precision engineering industry, which was at times a major manufacturer of photo cameras. The name Pentacon is derived on the one hand from the Contax brand of the Dresden Zeiss Ikon Kamerawerke and Pentagon (Greek for pentagon), because a pentaprism for SLR cameras developed for the first time in Dresden has this shape in cross section." - (en.wikipedia.org 29.11.2023)
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