History of theDigital Photography

The Digital Photography can be seen as a technique to replace the drawing or painting

to represent the world around us, its invention required first the realization of an optical device to create the image and secondly to set this picture on a permanent medium by a chemical process irreversible.

Moreover, the use of this technique had evolvedand its artistic dimension has been particularly recognized.

The camera was already known by Aristotle (384-322 BC). By the Persian scholar Ibn al-Haytham (965-1038) and Leonardo da Vinci (1452-1519) can be regarded as the ancestor of the cameras. It consists of a closed box, light tight, one of whose sides is pierced with a tiny hole, a pinhole camera. The mirror image of an illuminated object located outside the front of the hole is formed on the opposite wall.

The invention of the negative

William Henry Fox Talbot (1800-1877) conducts research parallel those of Niepce and Daguerre from 1833 and is believed to had invented the Digital Photography. In 1840, he invented the "calotype" negative-positive process that allows multiple scattering images. Follow other research that, little by little, improves image quality, sensitivity to light sensitive surfaces and simplify the procedure for shooting: 1847 "process to albumin (Claude Felix Abel Niepce de Saint Victor, Nicephorus cousin), 1850 "wet collodion process" and 1851 "ambrotype (Frederick Scott Archer), 1852" tintype "(Adolphe-Alexandre Martin). Do not forget the work negative / positive paper Hippolyte Bayard, French photographer (a contemporary of Fox Talbot), who in 1839 published the first self-portrait (the drowning suicide). Niepce, Daguerre and Talbot were however not the only ones to claim authorship of the Digital Photography. After the announcement of Daguerre in 1839, at least 24 men from Norway to Brazil have done the same.

Conclusion

Around 1948, Dr. Edwin Land developed the first device, Instant, Polaroid, and in 1962, he adapted this method to color.

All current photographic processes "by silver image" are merely refinements of these inventions, or materials of shots, or sensitive surfaces.

History of theDigital Photography

By: Jack Kalis

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