It being now evident that there was a refraction of rays coming from the sun, which though not fit for vision, were yet highly invested with a power of occasioning heat, I proceeded to examine its extend as follows. William Herschel, when he discoveres the 'thermometrical spectrum', ie infrared; as published in the Philosophical Transactions of the Royal Society of Mai 15, 1800.

Books about infrared photography.

Imaging with selected portions of the spectrum.

This FAQ is intended to draw together net.wisdom on the topic of infra-red photography. I had a rather bumpy start so got more than the average amount of advice on the subject.

The peculiarities of infrared photography lie in the ability of the film to record what the eye cannot see (permitting, for instance, photography in the dark); in the fact that many materials reflect and transmit infrared radiation in a different manner than visible radiation (light); in the ability of infrared radiation to penetrate certain kinds of haze in the air so that photographs can be ...