What is an infrared camera?Updated 9 months ago

While traditional visible-light cameras capture images of objects radiating light visible to the naked eye, an infrared camera captures infrared light, which the human eye cannot see. All objects emit some form of infrared light or heat energy, which is invisible to the naked eye. Sensors in an infrared camera capture a particular range of the electromagnetic spectrum specific to infrared light (700-1000 nm) and then express each heat value (or wavelength) through a set of corresponding colors. The resulting image is called a thermograph and is usually viewable on an LCD screen, where it is displayed.

Here is a collection of infrared cameras that Teslong.com sells.