In ordinary language we usually use the term photo to refer to one Photography, that is, photo would be the apocope of the word photography. Meanwhile, a photograph is one image obtained from the use of photographic technique.
Photography is the result of a procedure and an art that allows us to fix and reproduce, through chemical reactions and on surfaces specially prepared for this purpose, the images taken from the bottom of a camera obscura.
The fundamental principle that governs the operation of the camera obscura involves projecting the image captured by a small hole on the surface, thus, the size of the image appears reduced, being able to increase its sharpness.
The storage of the image that is captured can be stored on a sensitive film, as it has traditionally been done, or through CCD and CMOS sensors, or failing that in digital memories, such is the case of digital photography as used these days.
The immediate antecedent of photography is the daguerreotype that was invented by Louis Daguerre in the year 1839Therefore, this theater decorator and painter is considered the forerunner of modern photography. The procedure used by Daguerre was as follows: a layer of silver nitrate was placed on a copper base; the positive was captured in mercury and the image was fixed by placing the plate in a solution of sodium chloride or dilute sodium thiosulfate.
On the other hand, George Eastman He is also overvalued within the world of photography since he is considered a great promoter of it, after in 1888 he presented the first Kodak camera with roll of photographic paperwhich would replace the glass plate.
Another important moment in the long and progressive progress of photography is what happened in the year 1948 when the call was launched polaroid camera that allowed to reveal the photographs in just 60 seconds.
Currently, the range of possibilities that new technologies have opened up in this field is very wide, for example, today it is possible through the use of different software, such as Adobe Photoshop, to retouch imperfections and enhance colors in photographs, among others. options.
Over time, in addition to technological advances, photography has been developing different uses, scientific, personal, to immortalize some moments or experiences, among others, and it is also considered an art, since most photographers Artists usually exhibit their work in museums, specialized exhibitions or galleries.
On the other hand, photo is the prefix that is used to mean light or everything related to it. For example, photosynthesis.
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