Sensitometry
Study of light-sensitive materials / From Wikipedia, the free encyclopedia
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Sensitometry is the scientific study of light-sensitive materials, especially photographic film. The study has its origins in the work by Ferdinand Hurter and Vero Charles Driffield (circa 1876) with early black-and-white emulsions.[1][2] They determined how the density of silver produced varied with the amount of light received, and the method and time of development.