What is CMOS sensor, and how does it work?

It’s easy to get a great camera smartphone nowadays, and consumers are spoilt for choice. But that has not always been the case. Smartphone cameras have steadily evolved, and their progress on this end has been complemented and preceded by advancements in CMOS sensor technology. You likely have read CMOS sensors in the spec sheet, but what does it mean? What is a CMOS sensor, and how does it work? We explore this in this article.

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