The image is on a mirror-like silver surface and will appear either positive or negative, depending on the angle at which it is viewed, how it is lit and whether a light or dark background is being reflected in the metal. To make the image, a daguerreotypist polished a sheet of silver-plated copper to a mirror finish treated it with fumes that made its surface light-sensitive exposed it in a camera for as long as was judged to be necessary, which could be as little as a few seconds for brightly sunlit subjects or much longer with less intense lighting made the resulting latent image on it visible by fuming it with mercury vapor removed its sensitivity to light by liquid chemical treatment rinsed and dried it and then sealed the easily marred result behind glass in a protective enclosure.
Congressman-elect in 1846, attributed to Nicholas H. The first authenticated image of Abraham Lincoln, a daguerreotype of him as U.S. There has been a revival of the daguerreotype since the late 20th century by a small number of photographers interested in making artistic use of early photographic processes. Invented by Louis Daguerre and introduced worldwide in 1839, the daguerreotype was almost completely superseded by 1860 with new, less expensive processes, such as ambrotype ( collodion process), that yield more readily viewable images. "Daguerreotype" also refers to an image created through this process. ) oʊ-/ ( listen) French: daguerréotype) was the first publicly available photographic process it was widely used during the 1840s and 1850s.
For the 2016 film, see Daguerrotype (film).ĭaguerreotype of Louis Daguerre in 1844 by Jean-Baptiste Sabatier-Blotĭaguerreotype ( / d ə ˈ ɡ ɛər( i.
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