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)
“Escalus. What do you think of the trade, Pompey? Is it a lawful trade?
Pompey. If the law would allow it, sir.
Escalus. But the law will not allow it, Pompey; nor it shall not be allowed in Vienna.
Pompey. Does your worship mean to geld and spay all the youth of the city?
Escalus. No, Pompey.
Pompey. Truly, sir, in my poor opinion they will to’t then. If your worship will take order for the drabs and the knaves, you need not to fear the bawds.”
—William Shakespeare (1564–1616)
“The book borrower of real stature whom we envisage here proves himself to be an inveterate collector of books not so much by the fervor with which he guards his borrowed treasures and by the deaf ear which he turns to all reminders from the everyday world of legality as by his failure to read these books.”
—Walter Benjamin (1892–1940)