[5.9.14.5]
The actual equivalent contrast in a real luminous environment with non-diffuse illumination. The actual equivalent contrast C̃e is less than the equivalent contrast C̃ due to veiling reflection. C̃e = x CRF (see contrast rendition factor).
This term is obsolete.
NOTE: This definition was changed in ANSI/IES RP-16-17 Addendum 4.
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