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Кандидат на Red Glass в Prana View 2
http://www.triplespark.net/render/st...glyph/glasses/
В этих очках синяя часть спектра сформирована красным стеклом, а красная - синим (вроде http://www.hoyaoptics.com/pdf/B370.pdf):
Цитата:
From thomas.arnold at oracle.com Mon Feb 15 14:01:40 2010:
"That red glass has a peculiar sharp peak centered right around 400nm, which is why I like it so much. I suspect that the striations are caused by the colorant, which is dribbled onto the hot melt after it is poured into a sheet, perhaps to accommodate temperature sensitivity.One of the reasons I picked from that selection of glasses was the relatively inexpensive filters I could have made ($5 versus $55 each,) which was crucial to allow goggles with a moderate price point. But the tradeoff was no surface treatments or thickness control, so I have the striations".
"That red glass has a peculiar sharp peak centered right around 400nm, which is why I like it so much. I suspect that the striations are caused by the colorant, which is dribbled onto the hot melt after it is poured into a sheet, perhaps to accommodate temperature sensitivity.One of the reasons I picked from that selection of glasses was the relatively inexpensive filters I could have made ($5 versus $55 each,) which was crucial to allow goggles with a moderate price point. But the tradeoff was no surface treatments or thickness control, so I have the striations".
Цитата:
"Blue glass. Forms red transition, and creates blue transition window.
...
Red glass. Shapes ultraviolet blue waveform. Striated face out".
...
Red glass. Shapes ultraviolet blue waveform. Striated face out".
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