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Processed silver halides that clump together to form an image. The finer the grain the more detailed the image will be.
Developed by Fujifilm for their Nexia APS films. The formulated grain structure is about one-half the size of conventional films and ensures consistent shape for exceptionally smooth, fine-grained prints.
Random coloured pixels that appear in dark or shadow areas when the light levels are below the camera's CCD sensitivity range. Noise is also often seen from scans made using a scanner that doesn't have a wide enough dynamic range to cope with the shadow and highlight areas in one scan. Some image editing programs have a Noise filter that adds a grain pattern to the image to make it look more like a natural photograph taken using film.