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fun with LED light-ring and clear DVD

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Uploaded by on Apr 5, 2009

Cheap LED white light-ring from the £ [pound] shop for the parasol pole here seen through a clear DVD for marvelous spectral colours - these LEDs give an even light thoughout visible spectrum, similar to 'daylight' colour rendition [there's a tiny dip in blue-green] and ok as light source for video to a foot or so at night!

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Howto & Style

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Standard YouTube License

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  • Yep - told you so in the info box - spectra are all revealing and the way to test/analyse light;-)

  • oh look, black bars through through the blue spectrum @ 0:39

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