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Color to Monochrome: Black and White Filter Layer vs Black & White Mixer
The Adobe Camera Raw during direct raw conversion is slightly more powerful in that it offers offers controls for {Oranges, Aquas, Purples}. Also, the output can be RGB or Lab. The B&W mixer also operates independent of RGB color space, which can mean more control over the results. And this is also why its settings produce different results than the a filter layer. Finally, it is appealing to do a one-pass conversion from raw, with all the conversion settings stored in the metadata (but beware co-mingled color/B&W settings like exposure, a bug in ACR).
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filter layer mixes colors to monochrome on any existing RGB image from any source. It can also tint an image. It does not work on Lab or CMYK images; these must first be converted to RGB. However, it has several advantages of its own:Article continues for subscribers...
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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.