Surface development is a photographic process in which the image initially forms mainly on the surface of the emulsion before gradually penetrating deeper layers. This technique allows for sharper, higher-contrast images, as the surface image is more pronounced and visible immediately after development. In traditional film and print photography, surface development can influence the final texture and tonal range of an image, giving photographers greater control over highlights, shadows, and overall image density. It is often used when a more immediate visual impact is desired or when working with specific types of emulsions designed to respond to surface treatments.