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Digital Still Cameras: The Changing Face of Imaging

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The digital camera reflects a sea change in the compact camera market. While the 20th was the century of film cameras, the 21st belongs to the digital camera.

Morio Onoe, Professor Emeritus, University of Tokyo

The digital camera represents an integration of optics, mechanics and electronics consisting of three layers (Figures 1a, b and c). The top and the middle layers are printed circuit boards (PCBs), which contain most of the electronic components. The bottom layer houses most of the mechanical components. Figure 1. Internal views of a digital still camera showing two layers of PCBs (a and b) and a base for mechanical and optical parts (c). Figure 2, a block diagram of a digital still camera, illustrates a major difference from a traditional camera in that an image focused by a...Read full article

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