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Microfadeometry is a recently developed technique that measures color changes and evaluates light stability in individual objects of art that are sensitive to light exposure. A microfade tester (MFT) uses a powerful xenon arc lamp and filters to focus a beam of very intense light through a fiber optic onto a tiny spot on the surface of the artwork. A second fiber optic collects the reflected light and delivers it to a miniature spectrometer. As…
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