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The Visible Spectrum vs Infrared

It is helpful to understand exactly what is meant by “infrared”. All radiation, including gamma rays, X-Rays, ultraviolet, visible light, infrared, and microwaves are part of the electromagnetic spectrum. Humans see only visible light (invisible light cannot be seen, by definition!). Most of us likely remember the “Roy G Biv” sequence: red, orange, yellow, green, blue, indigo and violet.

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Diglloyd Infrared Photography is by yearly subscription. Subscribe now for about 8 cents a day ($30/year).
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Diglloyd Infrared Photography covers cameras and lenses for infrared photography.

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

  • 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.


Three renditions: Nikon D200, Nikon D70-IR, Nikon D70-IR with B+W 093 filter

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