Introduction to product misconceptions by camera module manufacturers
2020-03-27
Mobile phone photography has been developed for many years, and the image quality effect is indeed improving by leaps and bounds. Compared to the photos taken by some cameras, you will find that the picture quality of the phone already has a certain advantage, which is the main reason why the phone can replace the card camera.
When selecting a phone, the camera moduleAlready an important index parameter. However, I think the photo quality of the phone is similar to the sound quality of the player. Every manufacturer basically says how good their product is. Some key models are also available. The hardware and software are not small, but the end result is like a Walkman. Good hardware does not necessarily have good sound, and the same good camera module does not necessarily have good image quality Especially some manufacturers also like to exaggerate the hype, such as 5000W pixels, large bottom sensor, F1.8 large aperture, 6P lens, and even the moon and galaxy, so I found photos of phones with very strong actual parameters after buying unsatisfactory take. Based on this, the author will also discuss the basic knowledge and common misconceptions about mobile phone camera modules.
The higher the pixel of the camera module, the better, and the outsole is king
The previous camera camera module upgrade war can be said to have started with the pixel war. The early 30W, 130W or even 500W pixel mobile phone cameras were really not enough. It is true that the greater the number of pixels, the more noticeable the improvement in image quality will be, and at one time it became a judgment. An important basis for this phone rating is that the number of pixels on the phone is significantly higher than that on low-end phones, and even some manufacturers use a differential method to increase the photo resolution to prevent flickering. However, after the threshold of 800W pixels, the number of pixels becomes less important. A phone with a high pixel is not necessarily better than a phone with a low resolution.
Pixel knowledge is better. Most people already know that image quality is not only determined by the number of pixels, but they have already begun to pay attention to another more important parameter, which is the size of the camera sensor. Understand that the camera sensor in a phone is a certain size, the larger the number of pixels, the larger the number of units the sensor is divided into, the smaller the area occupied by a single pixel, and the weaker the light sensitivity, which will increase noise and reduce image quality performance, especially in low-light scenes. So, a high pixel count is generally not a bad thing, but it's not necessarily a good thing.
Therefore, camera module manufacturers will follow this idea and will emphasize pixel size. Of course, the larger the pixel size, the better. There are two ways to achieve this. One is to increase the size of the photoreceptor and the other is to decrease the size of the photoreceptor. The number of pixels on the phone. Increasing the size of the sensor is the most common method, so increasing the size of the sensor is relatively more reliable, and it is currently the most common method used in major camera phones.
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