Equipment |Image Sensors

Image Sensors

An image sensor is a solid-state device that captures light and converts it into data, which can then be converted into an image. There are two principal kinds of image sensors: CCD (charge-coupled device) and CMOS (complementary metal-oxide semiconductor) imagers. Although each kind of sensor employs a different technology to capture visible light, there is no inherent difference in quality between the two. Both image sensors use metal-oxide semiconductors and have around the same level of sensitivity to light.

Unlike CCD sensors, CMOS sensors have circuitry at each and every light-sensing photosite. This circuitry allows for the manipulation of data in the sensor and gives the ability to react to lighting conditions in ways that a CCD cannot.

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