By coating a copper plate with a kind of light-sensitive bitumen, Niepce found he could take a negative imprint of an image and use that to create a new picture - the first photograph.
Saturday, August 11, 2007
World's oldest photo
The world's oldest known photograph was made in 1825 by Nicephore Niepce, who invented a technique known as heliogravure.
By coating a copper plate with a kind of light-sensitive bitumen, Niepce found he could take a negative imprint of an image and use that to create a new picture - the first photograph.
By coating a copper plate with a kind of light-sensitive bitumen, Niepce found he could take a negative imprint of an image and use that to create a new picture - the first photograph.
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