Traditional Culture Encyclopedia - Photography and portraiture - How to distort the lens and move the focus character at the same time?

How to distort the lens and move the focus character at the same time?

1. By manually rotating the focus ring to the left or right, you can move the focus back and forth to focus on objects with different depths.

2. Loosen the fixing screw of the back focus adjusting ring of the camera, adjust the zoom lens to the maximum telephoto position, and set the focal length with the focus ring on the lens.