Assertion: latent image | /r/CapableOf | reduce the exposure
Facets:
value: greatly
type: DEGREE
Source sentences:
text: At first, like other pre-daguerreotype processes, Talbot's paper-based photography typically required hours-long exposures in the camera, but in 1840 he created the calotype process, which used the chemical development of a latent image to greatly reduce the exposure needed and compete with the daguerreotype.