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Photography -- Root mean square granularity of photographic films -- Method of measurement by ISO/TC 42 Photography is a reference work available to read on EtoBox.

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ISO 10505:2009 describes a method for determining the intrinsic root mean square granularity (rms‐granularity) of photographic films. Intrinsic rms-granularity refers to those density fluctuations produced solely by the distribution of developed image forming centres in the photographic emulsion. Continuous-tone monochrome (silver absorbing species) and colour (dye absorbing species) materials coated on a transmitting support can be measured by the procedures described in ISO 10505:2009. ISO 10505:2009 is intended for imaging systems with viewing magnifications between 5x and 12x (see Annex A). The following kinds of granularity measurements are not covered by ISO 10505:2009, even though they are photographically important:. reflecting materials (photographic papers);. materials having emulsion coated on both sides of the support (e.g. some X-ray films);. the estimation of the noise power spectrum (Wiener spectrum).

Who reads Photography -- Root mean square granularity of photographic films -- Method of measurement?

Author

ISO/TC 42 Photography

Publisher

ISO

Published

2009

Language

EN

Category

reference