reciprocity failure

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reciprocity failure [‚res·ə′präs·əd·ē ‚fāl·yər]

(graphic arts)

A phenomenon wherein the usual combination of light intensity and exposure time (following the reciprocity law) required to produce a specified density in a photographic emulsion changes due to especially long exposure time or low light intensity.

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No references found			There are reference appendices on exposure values and reciprocity failure, plus a glossary. Night and Low-light: Techniques for Digital Photography by Reference & Research Book News Technical details like f-stops, shutter speeds, and depth of field * Accessories like macro lenses, extension tubes and teleconverters, 81A, neutral density, and polarizing filters * Mirror lockup * Reciprocity failure * My neighborhood * Wildlife * Old cars * Sports/action photography * Respect for the subject * Shape vs. Getting started in photography by Grivett, Barry / PSA Journal If reciprocity failure is observed, then the slope of these curves at any point represents the value of the Schwarzschild p-coefficient. Validation of the reciprocity law for coating photodegradation by Martin, Jonathan / JCT Research			reciprocal space reciprocal spiral reciprocal strain ellipsoid reciprocal substitution reciprocal theorem reciprocal trade agreement reciprocal transducer reciprocal translocation reciprocal vectors reciprocal velocity region reciprocal wavelength Reciprocating aircraft engine reciprocating compressor reciprocating drill Reciprocating Engine reciprocating flight conveyor reciprocating pump reciprocating saw reciprocating screen reciprocating-plate column reciprocating-plate extractor reciprocating-plate feeder reciprocation reciprocity reciprocity calibration reciprocity failure reciprocity law Reciprocity Law Failure Reciprocity of Reactions, Principle of Reciprocity of Work, Principle of Reciprocity principle reciprocity theorem Reciprocity, Principle of recirculated air recirculating-ball steering Recirculation recirculator recital Recitative Recklinghausen reckoning reclaim rinse reclaimed oil reclaimed rubber reclaimer reclamation reclamation of land Reclamation Standard Reclamation, United States Bureau of reclassify reclinate			reciprocation reciprocation reciprocation reciprocation reciprocations reciprocations reciprocations reciprocations reciprocative reciprocative reciprocator reciprocator reciprocators reciprocators reciprocatory reciprocities reciprocities reciprocities reciprocities reciprocities reciprocity reciprocity reciprocity reciprocity reciprocity Reciprocity (international relations) Reciprocity (mathematics) Reciprocity (photography) Reciprocity (photography) reciprocity calibration reciprocity failure Reciprocity law Reciprocity Law Failure Reciprocity laws reciprocity of obligation Reciprocity of Reactions, Principle of Reciprocity of Work, Principle of Reciprocity principle Reciprocity theorem Reciprocity Treaty Reciprocity, Interdependency, Sharing and Keeping Reciprocity, Principle of Reciprocornous Reciprocous Reciprok Reciproque RECIRC recirculate recirculate recirculate recirculated air recirculating Recirculating Automatic Document Feeder Recirculating Cooling Water Recirculating Deep Water Culture Recirculating Document Handler Recirculating Follicular B Cells

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