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What's the difference between CMOS sensors and CCD ones?
CCD image sensors are often used in the professional security
cameras. Compared to CCD image sensors, CMOS are less expensive to fabricate, and operate a
lower supply voltages, and tend to consume less power. Therefore, CMOS
sensors are often used in the cameras for computer. CCD image sensors are the more mature technology, and this maturity gives them
the edge on image quality today.
CMOS imagers have more noise problems than their CCD counterparts,
which contributes to this gap in image quality. Below are two
pictures shot by CMOS and CCD cameras. You can compare the image
quality.
| CMOS | CCD |
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