Glass, Metal and Silicium

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  - The introduction of multi-coating on camera lenses
    02/03/09
    Lenses coating dates back from 1935, when it was invented by Alexander Smakula, working for Carl Zeiss. While multi-layers coating (multi-coating) was invented in 1938 by Katharine Burr (at General Electric), it was not widely used on camera lenses untill the 70s.
    
    Early multi-coating were
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2008
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2007
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2006