Method of adjusting camera focal length by using AE camera depth of field

Hello everyone! I'm rabbit Ji, and this issue is about sharing the method of focusing the depth of field of AE camera. Do you know where the depth of field of AE camera is and how to adjust the focal length of the camera? You can continue to look down if you don't know. The following is a demonstration of the specific operation process. Come and have a look. AE is very powerful, and you can see the focusing effect of the camera now.

The above is "the method of adjusting the focal length of AE camera by depth of field". You will know how to do it through this tutorial. More AE graphic tutorials are in "Articles", click to learn more.