Daylighting as a key element in quality assessment of the built environment has led to an increasing interest in its corollaries, and in its integration with artificial light sources in interiors. The use of daylighting requires a knowledge of the sky luminance distribution since work plane illuminances and interior surface luminances depend on this. In this paper the recommendations of the Commission Internationale de l'Eclairage regarding sky luminance distribution measurements are reported, along with a survey of measurement techniques used to date. There follows a detailed description of videography, considering the principal system components, and finally some considerations relating to its possible application in this area are discussed.
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