Digital Video Cameras - Aperture and Exposure Part 2
The tendency of the auto iris to mis-read certain situations is the inevitable consequence of the digital video cameras automatic system. However,
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The automatic system also has problems when the light is coming from behind the subject ('backlit' subject). A person standing indoors in front of a window,
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To cope with this situation most camcorders have some sort of backlight compensator control. This adjust the iris (by openning it up) correcting the exposure and improving the image quality of the main subject,
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If your camcorder has a manual iris control, you can solve these kinds of exposure problems by switching over to manual which gives you control of the iris setting. With an electronic viewfinder, you can assess the exposure and then choose the appropriate aperture. But for creative effect you can deliberately under or overexpose certain shots for instance, overexposing to give a bright,
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