Watch: How to Highlight Depth of Field
As a two dimensional medium, film employs a handful of techniques to convey a greater depth of field than what exists in a given frame. In this handy video, cinematographer Matthew Rosen breaks down his five favorite ways to highlight depth, through lighting, focus, perspective, parallax, and occlusion. The dolly effect, which Rosen argues is perhaps most effective in relating depth of field to an audience, is in fact a combination of parallax and occlusion.