Abstract
The theory of photographic tone reproduction, though specific for ideal cases, cannot always be applied in the determination of printing exposure for motion picture, negatives. A statistical study of the correlation of various optical characteristics—maximum transmission, minimum transmission, and total frame transmission—with the required exposure has been made. Of the possible measurements to be made, the value of total frame transmission seems to be the best criterion of printing exposure. The apparatus used in making the measurements is described and the data obtained are presented graphically.
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