Do orange gels on a light source subtract blue wavelength?

Started Sep 8, 2013 | Questions thread
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WFulton Senior Member • Posts: 2,689
Re: Do orange gels on a light source subtract blue wavelength?

DonnieMarco wrote:

I am trying to subtract blue wavelength light from an LED light source, would orange/amber Rosco gels do this?

I would say yes in higher degree than stated here.   An orange filter (specifically CTO) is the standard solution to filter a flash to match orange incandescent and white balance, to prevent its deep blue cast in the picture.

Sure it affects all colors, but so does the orange incandescent.

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