Steps:

1. Select the video and select "Special Effects Console";

2. Set two key frames that begin to be amplified to the final result;

3. Set the X-axis and Y-axis coordinates of the starting amplification and the final result respectively;

4. Set the scaling ratio of the start amplification and the final result respectively;

For example, as shown below, starting from the ratio of 100%, the final result is 300%.

This knowledge needs to be mastered by yourself, and the answer cannot be very detailed. It is not an article if it is detailed.

In the picture below.

The top is the original normal image, and the bottom is an image magnified 3 times. When playing, slowly zoom in from the normal image to the required close-up.