22 03 18 Image-enlarging video systems

Video magnifier icon

Video magnifiers are electronic devices that use a camera and a display screen screen to perform digital magnification of printed materials. The display screen is usually LCD or a similar flat-screen technology (although older video magnifiers have used CRT displays), and the device usually includes a lamp to illuminate the source material. Video magnifiers are designed to be mostly used by people with vision that can no longer be helped using a conventional magnifying glass.

Source: Wikipedia

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22 03 18
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Image-enlarging video systems