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False-color infrared images are sometimes out of gamut, or “blown” (highlight detail lost) if they are converted from a larger color space, such as Lab or Adobe RGB into sRGB (the web standard color space used for the images in this article). This is due to the strong red component found in some infrared images; sRGB cannot describe such color as it has a very narrow gamut, or range of colors it can describe. sRGB is particularly poor at distinguishing saturated shades of red, leading to loss of detail in the red channel.
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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.