English Explanatory Dictionary

Clayden effect

English dictionary entry

Meanings

noun
  1. A dark streak that appears in a photograph when there has been a very brief flash of intense light, such as a stroke of lightning, while the photographic plate is being exposed. This effect is due to the flash causing the part of the photographic plate exposed to be less sensitive, so that it is less affected than the surrounds during the rest of the exposure.

Word forms

Clayden effect Clayden effects

Etymology

Derived from experiments described by A. W. Clayden.

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