Photography with chips and pixels

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Digital Imaging (0.42 MB)   Special - Digital Cameras   Digital FireWire Cameras for Macintosh Co ...

Conventional cameras, for so many years the most important tools for taking pictures, are now facing increasing pressure from their electronic rivals. Digital imaging heralds a new era in the story of photography - an era with very attractive advantages: Digitalized images can be created on the monitor in a moment, and can then be processed, stored, deleted or reused. They can be printed or transmitted, or combined with multi-media applications or Internet publishing. A digital camera works with a CCD unit and photosensitive component to capture information. Like the cone cells in the eye, the CCD unit consists of a multitude of single elements or sensors that transform incoming light impulses into electric signals, each element supplying an unambiguous image detail. The size and number of the total elements define the resolution, and therefore the sharpness of the image.