FIELD: optics.
SUBSTANCE: invention relates to measurement of colour and a method for differentiating colour rendering. Method includes measuring with light-sensitive sensors signals from different sources of light, having radiation spectra Il1(λ)
and
Il2(λ). Received signals is determined and compared with through conversion: 
EFFECT: technical result is improved accuracy and simplification of measurement.
9 cl, 2 dwg
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