Publisher's Synopsis
Excerpt from Journal of the Society of Motion Picture Engineers, Vol. 51: July, 1948
If the interior of the house was lighted to a brightness Of one third the average screen brightness (with film running), and in such a way that no direct light could reach the screen, the screen could still re ceive an overlay Of light by diffusion from-the house surfaces that would approach one third Of the average screen brightness. In this case details that had a brightness less one third of the average screen brightness would tend to be washed out, and brighter contrasts would be diluted.
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