Zeiss Jena 5cm Sonnars – The Magic of the Prewar Uncoated Sonnar – By Brian Sweeney

Interchangeable lens 35mm rangefinder cameras became popular almost 90 years ago when Leitz introduced the Leica II and Zeiss debuted the Contax I. Both companies brought out full lines of lenses, and dominated the market for 35mm format. The design philosophies of the two companies were very different.