What's the use of telephoto lenses for mobile phones?

The function of telephoto lens of mobile phone;

1, high shooting quality. When shooting a distant object with a telephoto lens, the distant object can be shot very large, so that there are fewer parts that do not need to be cut or post-cut, thus ensuring better image quality.

2, no distortion. The perspective effect of telephoto lens is closer to the human eye, and the picture is almost undistorted, which is more suitable for portrait and still life shooting.

3. The depth of field is small. The depth of field is closely related to the focal length, and it is easier for a telephoto lens to take a small depth of field effect with a clear background.

4. The telephoto lens changes the angle of view, which can make people have the illusion of distance. The distant scenery at different distances looks very close, resulting in the so-called "distance compression" effect.

5, telephoto lens is suitable for shooting people, the best effect, and animal photographers generally use telephoto lens, which can not only shoot good works, but also not disturb the subject.