Published in Autumn 2006 Zeiss Historica Journal
Author: Peter Hennig
See Pages 14 – 16.
The new Cosina rangefinder camera with the Zeiss Ikon trademark opened the door for a new version of the F/1.5 Sonnar 50 mm T* lens which is more appropriate for a rangefinder than the SLR equivalent of the Planar lens. The article discusses this and the near exact symmetry between the new design and the original 1932 design of Ludwig Bertele.
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