While the basic film system has remained virtually unchanged in well over 100 years, the video system seems to be in a perpetual state of rapid evolution. New video formats are introduced almost yearly, and swift technological obsolescence is the rule rather than the exception. Lucky for us, with each technological generation the trend is toward broader access to an electronic image that is sharper, richer, and increasingly responsive to the subtleties of light and shadow. A good example is the speedy expansion of high-definition video from a highly expensive professional format to one that in only a few years has become available at all budget levels of video equipment. Unfortunately however, the world ...
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