What Focal Length Should I Shoot Videos With? Choosing the right focal length for video depends on your subject, style, and desired look. Focal length determines how much of a scene you capture and how your subject appears in the frame. Wide-angle lenses (14mm–35mm) are great for landscapes, vlogs, or scenes where you want to show a lot of background. They exaggerate depth, making spaces look larger and giving a dynamic feel to movement.