1) Open the Camera tab.
2) Click Add Camera.
3) Click and drag the orange camera box to resize.
4) Click Add Camera Movement to make a zoom effect.
5) Adjust or re-size the new camera box that appears.
6) Adjust delay and duration in the timeline using the blue slider.
7) Fine tune movement, delay, duration, position, and size in the Camera panel.
8) Close the panel by clicking the Camera icon.
9) Remove or clear zoom effects by clicking the Remove option.
Learn more about more camera movement here!