[quote author=Mio-Gonzalez link=topic=48.msg8527#msg8527 date=1315297093]
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[quote:506d759f5b][b]I see mainly converging lenses collecting rays to one poit (pix A) but do they work another directio[/b]n? (pix B) any differet solutions/ something usefull to know? I know I could use image conduit but they don't have enought resolution for 2000-3000 pixel CCD-bar/21mm wide...or I'm wrong? In pictures arrow shows direction of ray. [/quote:506d759f5b]
Yes. The path of light ray is reversable. If those parallel light really focus on one single point. You can place a light source at that point can create a parallel light output. Greetings, Max,-*-
Quite interesting question. Does anybody know?