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A sensor is the digital camera's equivalent to film. It contains millions of tiny light-detecting areas called photosites, which convert light into an electric charge. After exposing the sensor to light, this charge is read from each pixel and converted into a digital image.

2 votes

What is the structure of a photosite?

The Bayer Array is simply a patterned grid of three different colours (red, green and blue), which sit over the sensor. Here is the Wikipedia page for Bayer Array. … These images actually have less resolution than the total image but the sensor processor in the camera interpolates these images to full resolution. …
Daniel van Flymen's user avatar
-1 votes

What causes banding noise in CMOS sensors?

of discrete tonal values your sensor can record. … A 12-bit sensor will record 2^12 levels of gray while a 14-bit sensor will record 2^14 = 16384 levels of gray. …
Daniel van Flymen's user avatar