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#4
01-12-2020, 04:30 PM
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I wonder what light frequencies the photo multipliers are sensitive to? Perhaps if they are insensitive at the red or violet ends of the spectrum you could get a LED or similar source that doesn't produce light outside of the color you want and have something like a film dark room light to work on the machine by.
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Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 
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