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During the 1880s, the collodion process was largely replaced by gelatin dry plates—glass plates with a photographic emulsion of silver halides suspended in gelatin.The dry gelatin emulsion was not only more convenient, but it could also be made much more sensitive, greatly reducing exposure times.
As with all preceding photographic processes, the wet-collodion process was sensitive only to blue light.
Warm colours appear dark, cool colours uniformly light.
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Collodion process, mostly synonymous with the "collodion wet plate process", requires the photographic material to be coated, sensitized, exposed and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field.
There are many more as well that have contributed to bringing this process forward to a modern age.
The collodion process produced a negative image on a transparent support (glass).
The support for the images was glass, which was far less expensive than silver-plated copper, and was more durable than paper negatives.
It was also fast for the time, requiring only seconds for exposure.
Collodion printing was typically done on albumen paper.
The collodion process had other advantages, especially in comparison with the daguerreotype. The polishing equipment and fuming equipment needed for the daguerreotype could be dispensed with entirely.
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