2022-07-05 The thermal camera is now divided into two main categories, portable and fixed. They are devices that collect images and infrared data, which are then transferred to a computer and analyzed by specialist software to produce the infrared images we see. Depending on the lens, we can see different infra-red images. The software can also be set up to give us the image we want. For example, the infrared night vision camera does not see red and yellow, but black and white. Let's take a look at the thermal camera and how it works.