Latensification, a portmanteau of latent and intensification, is the name given to uniformly post-exposing a photographic emulsion. The benefits of latensification are applicable in astrophotography - capturing images of stars. Without latensification an image would come out with several visible stars and be a perfectly acceptable image. However, many areas of the image would contain 'sub-latent' images, or areas of emulsion which have not received sufficient light to be exposed enough to show up. If the film was post-exposed, the threshold point of exposure could be reduced, so these 'sub-latent' images could become visible. More simply, the stars which would normally be too dark to expose the film would now be sufficiently bright to expose correctly.
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