Some lights as Light Source
D65 International standard Artificial Daylight TL84 Applied to stores in Europe, Japan Cool White Fluorescent) American Standard 18 F/A “Sun-setting Light Yellow” incandescent light source(imitation of the sunset) 40 UV Viewing under ultraviolet light to detect and evaluate optical brighteners or fluorescent pigments Wave length:365nm 20 TL83 Warm White Fluorescent American Standard