The video shows a person holding a smartphone and using the camera to take a picture. The camera is focused on a finger, and the person is using the zoom function to zoom in on the finger. The person's fingers are visible on the screen, and the camera is held in landscape mode. The background is blurred, but it appears to be a room with a window. The person's thumb is visible, and they are using it to control the zoom function. The phone's screen is bright, and the camera's interface is visible. The person's finger is in focus, and the camera zooms in and out several times.