Digital Camera Conversion and Other Equipment Considerations |
Digital cameras contain an imaging sensor, usually either a CCD or CMOS type (though a couple of other types do exist, such as the multilayered Foveon sensor in Sigma digital cameras; see Box below). The sensor sits in the focal plane of the camera and is composed of a grid of several million light-sensitive picture elements (pixels) which convert light intensity and colour into electronic signals, which are digitised and then converted into a viewable image. These sensors are naturally sensitive to UV and IR radiation, and are designed to produce high-quality colour images of ‘conventional subjects’ in visible light, and the manufacturers deliberately ...
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