1 September 1964 Relating the Ansel Adams Zone System to the ASA Criteria for the Determination of Film Speeds
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Abstract
The primary purpose of the paper is to introduce an exposure determination method through which the tone reproduction system is standardized and also simplified. Using this method, the photographer is able to: a. Work toward a predetermined result by visualizing the brightness in the scene that is to be recorded as particular tonalities in the print, and to keep the respective densities in the negative within a range that does not exceed the effective exposure range of print-out media. b. Communicate specific processing information to the film processor on a numerical basis which will produce a negative that will print as pre-visualized. c. Compare directly low, medium and high contrast films as to speed and useful exposure range. The paper also includes an up-to-date review of the contributions made involving the parameters of the photographic reproduction system.
Paul H. Cords, Paul H. Cords, David A. Fatora, David A. Fatora, } "Relating the Ansel Adams Zone System to the ASA Criteria for the Determination of Film Speeds," Optical Engineering 2(6), 206231 (1 September 1964). https://doi.org/10.1117/12.7971290 . Submission:
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