andy stevens Wrote:Clemens...that pic is freaky awesome. Viewing the dial is like looking through a Porthole.
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hebe Wrote:Thanks Clemens, very good photo and example for different refractive indexes of water (1,33) , air (1,0) and saphire glass (1,7).At a critical angle, the dial will disappear and the glass will be a mirror :-)RegardsHEBE
Last edited: 6 February, 2014 - 05:40
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