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What is a grain in photography?
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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.
What is stock photography business?
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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.
What is meant by digital photography?
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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.