Digital cameras, basically, use two different types of light sensors in them. These are called the CCD (Charge Coupled Device) sensor and the CMOS (Complementary Metal Oxide Semiconductor) sensor. The CCD sensors contain what is known as as capacitors, which charge when light particles bounce off them. This charge is then given a numerical value and converted by the camera’s other technological components into an image. Whilst, the CMOS image sensor uses a similar method to capture light and produce an image it uses different technology. Instead of using capacitors to record the charge levels of light, CMOS image sensors use photo detectors, which are linked to an amplifier, and these then produce an image.
Both devices have their advantages and disadvantages, some of these are as follows:
Advantages of CCD image sensors
1. They are more sensitive than the CMOS image sensors even when there is minimal light; and
2. A clearer picture means that you are able to see more through your rear-view reversing camera when you are using it.
3. Clearer night vision images, mean less grainy and more detail.
Disadvantages of CCD image sensors
1. This technology is more costly than CMOS.
Advantages of the CMOS image sensors
1. These are cheaper to produce and this makes the overall price of the camera more affordable;
2. This technology also consumes less power, when in use, and this gives them a longer battery life.
Disadvantages of the CMOS image sensors
1. They are not as clear as the CCD sensors as they pick up what is referred to as noise or interference when deciphering an image and this causes the images clarity to be compromised.
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