Infrared Camera Conversions
Infrared radiation (IR) is electromagnetic radiation with a wavelength that is longer and a frequency that is shorter than that which produces visible light. Although capturing imagery using IR has forensic and scientific applications, there are currently no production IR cameras available.
The alternatives are to use a filter, to retrofit a digital camera or to simulate IR in postprocessing, as explained on page 280–281.
An IR filter appears either black or very dark red, letting IR pass through it while blocking visible light. One problem with this kind of filter is that since it blocks visible light it can be very hard to see and compose through if you are using a digital camera. For superior results, I’d recommend ...
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