If dry photography turns out to be that procedure and art that consists of fixing and reproducing through chemical reactions and on surfaces specially prepared for it, those images that are obtained from the background of a camera obscura, aerial photography is the same aforementioned mechanism that is used to capture, for example, the photograph of a person sitting in the cafeteria next to another, but what changes in aerial photographs, which are the ones that we will discuss below, is that in these cases the cameras are They are located on board different air means in order to obtain them.
On the other hand, aerial photography supposes and requires a conscious and exhaustive analysis of the earth's surface, which will precisely be done through the aforementioned cameras that will be located on board the specific ships.
There are several areas that use aerial photographs to extract information and know the terrain in which they operate, archeology, geology and also agriculture They tend to use this type of photograph in order, as we said, to collect information on the nature of the land on which they will have to work, for example, the nature of the crops.
In archeology, on the other hand, it turns out to be an indispensable source of knowledge since it allows the prospecting of the soil, that is, it is used as a method to discover structures in the subsoil without having to excavate it.
In addition, accompanied by a stereoscope, they facilitate the discovery of geological faults, dejection cones, highly erodible areas, saturated low areas, the type of natural drainage that the terrain presents and then, with that information, you will be able to know the type of soil we are facing. , the type of vegetation, among so many other issues.
Meanwhile, another context that also uses this tool of aerial photography a lot is the military, since it turns out to be ideal when studying the enemy or having to extract information about strategic objectives.