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Digital photography is a form of photography that uses cameras containing arrays of electronic photo detectors to capture images focused by a lens, as opposed to an exposure on photographic film.

Stock photography is the supply of photographs, which are often licensed for specific uses. The stock photo industry, which began to gain hold in the 1920s, has established models including traditional macro stock photography, mid stock photography, and micro stock photography.

In digital photographs, noise is the commonly-used term to describe visual distortion. It looks similar to grain found in film photographs, but can also look like splotches of discoloration when its really bad, and can ruin a photograph. Noise tends get worse when youre shooting in low light.

Film grain or granularity is the random optical texture of processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons.

Most photographers wonder how much you can really expect to earn from selling stock photography. In general, stock photos earn approximately 25-45 cents per image, per month.

Digital photography is a kind of photography where a digital camera is used to take photos. Digital cameras use an image sensor instead of photographic film. Very often, they also use a memory card to store the photos in a digital format.