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EXCERPT page containing first few paragraphs. 2023-06-03 16:56:19

Color to Monochrome: Mixing Channels

Mixing channels is similar to a Black and White filter layer and to the Black and White Mixer

Channel mixer

For reasons I do not understand, the channel mixer does not give you the individual color channels one might expect from a mix of 100/0/0 or 0/100/0 or 0/0/100. Go figure.

Like a Black and White filter layer, the Channel Mixer is done after raw conversion, as a layer over a color image.

Unlike Black and White filter layer which mixes colors, it mixes the color channels in percentages, which depends also on the color space. I use it much less than the Black and White filter layer, but at times it offers a different sort of flexibility, and can be useful.

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Diglloyd Infrared Photography covers cameras and lenses for infrared photography.

The coverage explains all the issues involved in shooting for monochrome and in infrared. It is not a review of any particular camera or lens, though many examples are included.

  • Monochrome vs color cameras.
  • Post processing for monochrome.
  • Guidance on workflow for infrared, including black and white and channel swapping for false-color images.
  • How infrared renders, and why certain spectral cutoffs matter: false color vs black and white.
  • Image quality issues to be on the lookout for in infrared.
  • Numerous lens evaluations in infrared.

View an overview of infrared as well as filter spectral transmission plus examples from an optimal lens.

Adobe Photoshop: Channel Mixer

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