If you think of the colours of the rainbow – violet, indigo, blue, green, yellow, orange, red – each colour has a slightly different wavelength, and therefore a differentred light is infrared, which is faster still. While not visible to the human eye, there are cameras and sensors that can detect and capture infrared light. If you have an old EOS camera, you can get it converted to capture infrared – an irreversible process – for a few hundred pounds.
Colour infrared made easy
Nov 14, 2023
1 minute
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