The infra-red photography has already been known since the late nineteenth century. In the 1930s, thanks to the invention of new chemical methods, it became easy and simple in its use. alike black-and-white photography. The special quality of the infra-red film is due to its property to record what the eye cannot. The infra-red photos are particularly interesting and are counted among the most important instruments of many scientists (e.g. in archaeology, medicine, astronomy). In parallel with their scientific applications, the infra-red films have become especialfy popular among artistic photographers professionals and amateurs as well-, who, by exploiting their unique properties, reveal an entirely different visual reality to the public, creating photographic pictures that cannot be produced using the conventional, ordinary films.