Effects filters
One of the oldest methods of customizing the image is in the use of filters usually placed in a filter holder/matte box positioned in front of the lens. These are used for various reasons such as to control light, contrast or part of the subject brightness, to soften the image or to colour the image. Most camcorders also have one or two filter wheels fitted between lens and prism block carrying colour correction filters and/or neutral density filters.
Altering the appearance of the image
Filters fall into three main groups – colour correction filters, neutral density filters (used as a control in exposure), effects and polarizing filters. They all alter the quality of light reaching the CCDs, but whereas the first two groups attempt ...
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