clayden effect

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|photography}} 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.

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