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==사진술의 역사==
{{본문|History사진술의 of photography역사}}
[[Image:View from the Window at Le Gras, Joseph Nicéphore Niépce.jpg|thumb|right|Nicéphore Niépce's earliest surviving photograph, c. 1826. This image required an eight-hour exposure, which resulted in sunlight being visible on both sides of the buildings.]]
 
Photography is the result of combining several technical discoveries. Long before the first photographs were made, [[Ibn al-Haytham]] (Alhazen) (965–1040) invented the [[camera obscura]] and [[pinhole camera]],<ref name=Wade2001>{{cite journal
}}</ref>Photography is the result of combining several technical discoveries. Long before the first photographs were made, [[Ibn al-Haytham]] (Alhazen) (965–1040) invented the [[camera obscura]] and [[pinhole camera]], [[Albertus Magnus]] (1193–1280) discovered [[silver nitrate]], and Georges Fabricius (1516–1571) discovered [[silver chloride]]. Daniel Barbaro described a diaphragm in 1568. Wilhelm Homberg described how light darkened some chemicals (photochemical effect) in 1694. The fiction book [[Giphantie]], by French author [[Tiphaigne de la Roche]], described what can be interpreted as photography.
| author = Wade, Nicholas J.; Finger, Stanley
| year = 2001
| title = The eye as an optical instrument: from camera obscura to Helmholtz's perspective
| journal = Perception
| volume = 30
| issue = 10
| pages = 1157–77
| doi = 10.1068/p3210
| pmid = 11721819
}}</ref> [[Albertus Magnus]] (1193–1280) discovered [[silver nitrate]], and Georges Fabricius (1516–1571) discovered [[silver chloride]]. Daniel Barbaro described a diaphragm in 1568. Wilhelm Homberg described how light darkened some chemicals (photochemical effect) in 1694. The fiction book [[Giphantie]], by French author [[Tiphaigne de la Roche]], described what can be interpreted as photography.
 
Photography as a usable process goes back to the 1820s with the development of chemical photography. The first permanent [[photograph]] was an image produced in 1826 by the [[France|French]] inventor [[Nicéphore Niépce]]. However, the picture took eight hours to [[exposure (photography)|expose]], so he went about trying to find a new process. Working in conjunction with [[Louis Daguerre]], they experimented with silver compounds based on a [[Johann Heinrich Schultz]] discovery in 1724 that a silver and chalk mixture darkens when exposed to light. Niépce died in 1833, but Daguerre continued the work, eventually culminating with the development of the [[daguerreotype]] in 1837. Eventually, France agreed to pay Daguerre a pension for his formula, in exchange for his promise to announce his discovery to the world as the gift of France, which he did in 1839.