Reciprocity Law Failure
Reciprocity law failure is a phenomenon that same amount of exposure (irradiance multiplied by duration of exposure) produces different image density when the irradiance (and thus duration) is varied.
There are two kinds of reciprocity failure. They are both related to poor efficiency of utilizing photoelectrons to create latent image centers.
Read more about this topic: Latent Image
Famous quotes containing the words reciprocity, law and/or failure:
“Between women love is contemplative; caresses are intended less to gain possession of the other than gradually to re-create the self through her; separateness is abolished, there is no struggle, no victory, no defeat; in exact reciprocity each is at once subject and object, sovereign and slave; duality become mutuality.”
—Simone De Beauvoir (1908–1986)
“Half the testimony in the Bobbitt case sounded like Sally Jesse Raphael. Juries watch programs like this and are ready to listen.”
—William Geimer, U.S. law educator. New York Times, p. B18 (January 28, 1994)
“Sitting by a lamp more often brings
Not peace, but other things.
Beyond the light stand failure and remorse....”
—Philip Larkin (1922–1986)