Theoretically, the relation of negative and positive rms granularity to the final print granularity is described by the following equation: σ(D)print=[ σ(D)2negative material+ σ(D)2positive material]1/2. Using fine, medium and coarse grained positive and negative materials in a variety of printing situations, the validity of the above equation was tested. Results of this investigation indicated that the hypothesized equation does not hold for a variety of printing situations.
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School of Photographic Arts and Sciences (CIAS)
Pierce, W. Norman and Hecht, Avron, "The Effect of Negative and Positive Granularity on the Final Print Granularity" (1966). Thesis. Rochester Institute of Technology. Accessed from
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