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Converting a Color Camera to Monochrome
Most color cameras can be converted to monochrome, the process consisting of some way to strip the color filter array from the sensor. Various companies offer this service, with varying expertise.
To convert a camera to true monochrome, the CFA (color filter array) is physically removed with an acid or solvent. This leaves the sensor so that all pixels record all wavelengths of light without the red or green or blue filtration of the CFA. According to maxmax.com, some sensors are amenable to this, and others are not because of corrosion potential with some sensors due to the physical design.
Conversion of a color sensor to monochrome requires disassembly of the camera and precision reassembly. Some features can be lost, such as dust-off. When choosing a company for this work, you”ll want to exercise some caution, as there are many things that can go wrong.
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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.