What is the purpose of zooming in video production?

Zooming in video production primarily serves to magnify the content onscreen. This technique allows the viewer to focus on specific details within a scene, such as an actor's expression or an important object. By bringing elements closer, zooming can enhance the emotional impact of a moment and provide greater clarity about the subject being highlighted. It can also help in storytelling by directing the audience's attention to particular facets of a scene that may be crucial for understanding the narrative.

In contrast, the other options relate to different aspects of composition and cinematography. While zooming out might increase the field of view, the act of zooming in specifically narrows the focus. Changing the perspective of a shot typically involves adjusting the camera position or angle rather than merely zooming in or out, and adjusting the depth of field is largely associated with aperture settings and focal length, rather than zooming alone. Thus, the main function of zooming in is to magnify what is onscreen, making the selection of the second option the most accurate.