reciprocity failure
noun
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
Words nearby reciprocity failure
reciprocal translocation,
reciprocate,
reciprocating engine,
reciprocation,
reciprocity,
reciprocity failure,
recision,
recit.,
recital,
recitatif,
recitation