Many people think that the larger the pixels of the sensor, the better and clearer the imaging effect. In fact, this is a misunderstanding. Pixels are certainly one of the factors that affect the quality of imaging, but people often ignore other equally important factors, such as the size of the sensor and the size of a single pixel.
It should be admitted that the larger the sensor, the better the imaging quality, and so far, due to the limitations of the process level, the sensor size can not be made larger, especially the CCD, but we can still have the desired mentality because of the large size Image sensors are expected in the future.
The pixel size is often a factor that will be ignored, but it is one of the important parameters that reflects the level of technology. In the case of a fixed sensor size, the pixel size and the size of a single pixel point are important factors that check and balance each other and affect the imaging quality. The larger the pixel, the smaller the size of a single pixel. On the contrary, the larger the size of a single pixel, the smaller the pixel. A good sensor does not make the pixels larger, or the size of a single pixel larger, but according to the user's real needs, to get a proper balance between the two.
To make an analogy, if the light of our image information is represented by rain, compare the sensor of a given size to the divided open space, and the pixels on the sensor are compared to the cup on the open space. Then the pixel receiving the light signal is equivalent to the cup carrying rainwater. According to this analogy, the larger the pixel, the more cups on the field, and the larger the size of a single pixel, the larger the caliber and capacity of a single cup. The balance between the two is obvious, that is, the more cups on the field, the less each cup must be made, and the larger the caliber of the cup, the fewer cups can be placed on the field. The larger the pixels, the more details can be expressed; the larger the size of a single pixel, the richer the layering of the image. Taking MC15 as an example, although there are only 200W pixels, the size of a single pixel has reached a large size of 6.45um * 6.45um, but the image has a full sense of layering.
Therefore, when we use a camera, we must choose the appropriate camera according to actual needs, and we cannot focus on the single index of high pixels.
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