History of photography

The history of photography has roots in remote antiquity with the discovery of two critical principles, that of the camera obscura (darkened or obscured room or chamber) and the fact that some substances are visibly altered by exposure to light, as discovered by observation.
As far as is known, nobody thought of bringing these two phenomena together to capture camera images in permanent form until around 1800, when Thomas Wedgwood made the first reliably documented, although unsuccessful attempt. In the mid-1820s, Nicéphore Niépce succeeded, but several days of exposure in the camera were required and the earliest results were very crude.
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gsgs January 08, 2018
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