Assertion: collapse | /r/CapableOf | become effective
Facets:
value: during latent image formation in photography
type: TEMPORAL
Source sentences:
text: The reasons for this derive from requiring that during latent image formation in photography, the collapse becomes effective right after a grain of the emulsion has been excited; this is equivalent to requiring that when a human eye is hit by few photons (the perceptual threshold being very low) reduction takes place in the rods of the eye (Bassi, Deckert and Ferialdi 2010).