Abstract
AbstractThree commercial black-and-white films were investigated, one of which (Exposure Index (El) 400) employed conventional grain tech-nology, whereas the other two films (El 400 and 3200) made use of tabular grain technology. In order to identify structural differences between the materials and their effect on the signal-to-noise properties, ns an overall criterion for the performance, basic sensitometric and granularity measurements were combined with the investigation of noise power spectra, the mass of developed silver per unit area, together with qualitative and quantitative observations and photomicrographs.
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