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Spectroscopy of EnChroma Cx 15 lenses

Discussion in 'News' started by reprap aggregation pipe, Aug 25, 2015.

  1. I have taken a few spectroscopy images of the white light of a halogen bulb as viewed directly, and through a pair of normal (polarised) brown-tinted sunglasses, and through the EnChroma Cx 15 lenses.

    Here's the direct halogen spectrum, unfiltered:


    (Ignore the streak on the left-hand side - the interesting bit is the rainbow on the right.)

    This is the spectrum as seen through the normal sunglasses - you can see that they suppress all wavelengths more or less uniformly:


    And here's the view through the EnChroma lenses - you can see that they have two very distinct bands where virtually all light is blocked out, while other wavelengths pass with very little attenuation :


    I've also shot a short video showing the effect - you should have no trouble working out when the normal sunglasses and the EnChroma lenses come between the light and the spectroscope:


    Continue reading...

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