Do video cameras have the image sensors cameras have?
I really don't know what I'm talking about, so if the answer was explained, I would really appreciate it.
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Yes. Digital video cameras use these sensors, usually CCDs but CMOS too. These are the same designs use for still cameras but with less pixels, since even HD footage only needs 2 MP. For HD cameras, the shape of the sensor is often different to match the 16:9 aspect of widescreen footage. The major difference you will encounter are cameras labelled as 3 CCD. Again this is the same type of sensor but there are 3 of them, one for each of red, green and blue. Special prisms are used to divide incoming light and reflect it towards each sensor. On a conventional digital camera, colors are almost always divided between adjacent pixels using a Bayer filter. There are some Sigma cameras which use special Foveon sensors which capture different colors in layers instead. |
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