ByTown Kassis 2019-12-10 497
When we talk about the cameras of the different smartphones, whenever information is available, we also inform about the size of the sensor. This size is the very physical size of the sensor that is hidden behind the camera lenses of our phone and is one of the biggest responsible for the quality of the photographs. Well, Huawei seems to be breaking records with the camera sensor of his Huawei P40 Pro.
In the last year, we have seen dozens of devices jump into cameras with a large amount of megapixels. This is the case of Sony's IMX586 sensor, for example, the 40 megapixels of Huawei or the 108 megapixels that we see in the Xiaomi Mi Note 10. The main attraction of these sensors is not their resolution, but the size of each of them. In camera sensors, the bigger they are, the more light they receive and therefore, better photographic results. Although the brands want to sell us the megapixels, the important thing is the dimensions of the sensors.
For example, these are the physical (diagonal) dimensions of the sensors we have named:
● 48 megapixel Sony IMX586: 1/2 inch
● Huawei 40 megapixel camera: 1/1.7 or 1/1.55 inches (depending on which we choose from Mate 30 Pro)
● Samsung Isocell Bright HMX 108 megapixels: 1/1.33 inches
We've ordered the size of the sensors from smallest to largest. As expected, the 108 megapixels are contained in a large sensor, the largest ever created for smartphones. Well, according to rumors, Huawei would be working on a sensor with RYYB technology (red, yellow, yellow, blue) larger than this Samsung sensor, again having the title of the largest mobile camera sensor on the market.
This is great news, but there is something that would make us even happier: that Huawei did not increase the number of megapixels. The more pixels in a sensor, the smaller the size of each pixel. The sensors listed above benefit from merging pixels to simulate larger pixels, but the actual size of those pixels is as follows:
● 48 megapixel Sony IMX586: 0.8 μm
● Huawei 40 megapixel camera: 1.0 μm
● Samsung Isocell Bright HMX 108 megapixels: 0.8 μm
Huawei still has the largest pixel size in this type of sensor, because its sensor size is larger than Sony's, but with fewer pixels. Therefore, being able to increase the size of the sensor to something larger than Samsung's, but maintaining its resolution, would cause the size of each pixel of the Huawei P40 Pro's camera to be even larger and using the benefits of pixel fusion even more. To give you an idea, a high-end 12 megapixel camera has a 1/2.55 inch sensor and a pixel size of 1.4 μm.
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