Reflectoscopes
Der Grand Canyon im März 2007 durch einen Spiegel mit Polfilter-Effekt nach einem Prinzip aus dem sechzehnten Jahrhundert. Was es damals schon alles gab. Auf dem Schild steht:
Reflectoscopes
These „black mirrors” are called reflectoscopes. A great French landscape painter named Claude Lorrain invented the reflectoscope in the 1600s to condense and simplify the view he was sketching. It was originally made of highly polished onyx. Very strong light tends to wipe out color while mild light shows it up better – so with the Grand Canyon’s image reflected from this black glass, the color seems stronger. See for yourself!
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