Tag Archives: Lens coating

Alexandar Smakula (History)

Published in Autumn 1999  Zeiss Historica Journal

Author: Larry Gubas

See Page 13.

A biography of this important Zeiss scientist who was a specialist in many scientific areas including optical crystals, organic compounds, lubricants and was the inventor of multi-coating of optics technology in 1934. His invention was held as a state secret until 1941 since it so improved military optics. He was taken to Heidenheim as part of the evacuation of the best of the Zeiss scientistsby the US Army and eventually was taken to the US via Operation Paperclip and finished his career as the dead of  the crystal laboratory at MIT.

To go to the Journal itself, click on the year 1999 in the first line above.

The lens coating patent by Zeiss (T coating)

Published in Spring 2004 Zeiss Historica Journal

Author: Peter Hennig, Milos Paul Mladek

See Pages 22 – 23

A modern evaluation of the 1934 invention of multi-coating by Dr. Alexandar Smakula. It is far more diverse and advanced than one would expect. It was hidden until 1940 when the patent was finally approved. Until then, it had been a German state secret.

To go to the Journal itself, click on the year 2004 in the first line above.