What do you mean by the dual camera of the mobile phone?

The principle of dual cameras is generally to use two sensors with different pixels to shoot. The main camera has higher pixels and is responsible for shooting the whole picture. The sub-camera has a slightly lower pixel and is responsible for recording depth of field information. Mainly to highlight the main body and blur the background.

It has better performance in low light environment. Dual cameras can analyze which pixels restore the scene to a higher degree, which can help the mobile phone effectively suppress noise, thus making the picture have better picture quality restoration.

Depth of field photography effect (large aperture photography effect). Under the action of two lenses, the camera has the ability to detect the depth of field, and the camera provides a "large aperture" photography mode, which can better achieve the depth of field effect.

Better low-light performance, different from the super-pixel camera of One M8. Dual cameras are two independent modules with their own sensors, which brings the advantage of better shooting effect in low light environment.

Extended data:

At present, there are three kinds of mobile phone camera chips used in China mobile phone manufacturing market: domestic, Japanese, American and Korean. Chips from different places of origin have different prices, performance and target markets.

Most high-end mobile phones use Japanese "Sony" chips, and the camera pixels produced are higher. Generally speaking, the pixels of brand mobile phones are above12 million, but the pixels of domestic manufacturers are relatively low, and there are few manufacturers of high-pixel mobile phone cameras.

The pixel of mobile phone camera has rapidly increased from 1 1000 to tens of millions of pixels. In the development of mobile phone cameras in the future, the pixels of mobile phone cameras will continue to improve, and the clarity of pixels will also improve.

The pixels of the mobile phone camera will not stay at12 million pixels or13 million pixels, but will develop higher pixels. In the future mobile phone camera field, high pixel will become the main development trend of the industry.

In addition, the imaging function of mobile phone camera will also be the main content of future development. Mobile phone cameras will no longer be limited to light when shooting. No matter day or night, in strong light or dark light environment, the camera of the mobile phone can image normally, and the photos taken have also improved in definition and other performances.

At present, some mobile phones have reached the limit of 20 million pixels, and many manufacturers have turned their research and development direction to dual cameras. For example, the black-and-white dual camera developed by Huawei will realize the powerful imaging capability of the mobile phone camera by strengthening the control performance.

Baidu encyclopedia-mobile phone camera