Orthochromatic Photography, Part 2: Measuring Light and Color

Orthochromatic Photography, Part 2, traces the graphic arts community’s quest to understand the nature of photographic materials and develop a system for accurate light and color measurement. We can clearly see the origins of what developed into modern spectrophotometry, densitometry, and the CIE system of Colorimetry, through the work of William Abney, Leon Warnerke, and others.

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Orthochromatic Photography, Part 1: True Color in Black and White

The development of orthochromatic photography, using plates sensitive to a broad range of colors, had a drastic impact on the ways in which photographers were able to capture the world around them and made possible the development of color photography. This article tells the story of orthochromatic photography’s early development.

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