Intensification is a chemical process used to increase the density of a photographic image on a negative. This technique enhances the contrast and overall darkness of the image, making details more pronounced. It is most effective on negatives that have been underdeveloped rather than underexposed, as it amplifies the existing image rather than correcting missing information.
Photographers and darkroom technicians use intensification to improve the quality of weak or flat negatives, ensuring stronger prints with richer tonal range. Understanding intensification is important for those working in traditional film photography or alternative photographic processes, as it allows for better control over final image quality.