equivalent contrast, C̃e

[5.9.14.5]

NOTE: This definition was changed in RP-16-17 Addendum 4. Deletions have a strike-through. New text is bold.

The actual equivalent contrast in a real luminous environment with non-diffuse illumination. The actual equivalent contrast e is less than the equivalent contrast due to veiling reflection. e = x CRF (see contrast rendition factor).

This term is obsolete.

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