测光刻度
/ˈlaɪtɹˈiːdɪŋ ˈskeɪl/
n
English: light-reading scale · 测光刻度
English · light-reading scaleEspañol · escala de lecturaFrançais · échelle de lecture de la luminosité
释义：Graduated scale showing the intensity of the light striking or reflected by the subject.