reciprocity failure


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reciprocity failure

n
(Photography) photog a failure of the two exposure variables, light intensity and exposure time, to behave in a reciprocal fashion at very high or very low values
References in periodicals archive ?
com)-- Locally owned mobile application development and electronic commerce service provider, MT Design Solutions announced today the release of Reciprocity Failure Rate 2.
This made for a real reciprocity failure, it might be argued, which was then reflected in declining public support for welfare and redistribution.
There are reference appendices on exposure values and reciprocity failure, plus a glossary.
If reciprocity failure is observed, then the slope of these curves at any point represents the value of the Schwarzschild p-coefficient.
Chapter 4 is devoted to films and includes a table of some of the most popular brands of color and black-and-white emulsions, along with discussions on reciprocity failure and push processing.
CROP materials exhibit high image stability, sensitivity, dynamic range and low reciprocity failure.
A number of them have had some success using light-pollution-reduction filters, but fogging and reciprocity failure (the inability of emulsions to record information efficiently during prolonged exposures) often render their efforts disappointing.