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Everything You Need to Know About Camera Sensors

Posted on Monday, December 01 2008 @ 00:46:18 CET by


In this tutorial we will teach you everything you need to know about one of the most important components of digital cameras: the sensor.
"The sensor is the part of the digital camera that captures light to create an image. It is analogous to the film in non-digital cameras. Similar to the coating of light-sensitive material on photographic film, the sensor of a digital camera has light-sensitive cells. In this tutorial we will teach you everything you need to know about this important component.Although there are technical and design differences in digital camera sensors, they all operate on the same basic principles. A sensor has millions of light-sensitive cells or photodiodes on a wafer of silicon. Each of these generates an electrical charge when struck by a particle of light that enters the camera through the lens. A colored filter produces the proper coloration. Then the camera's processing turns these electrical charges into an image which is then stored on the camera's memory or storage card. Each photodiode creates one pixel in the final image. This is where the term megapixel comes from..
Read more at HardwareSecrets.


 



 

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