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Depth of Field, Part 1: How Aperture and ISO Affect Focus

Depth of Field, Part 1: How Aperture and ISO Affect Focus

Depth of field is an important storytelling tool for filmmakers. It can aid perspective, emotional resonance, action and understanding of a project.

Depth of field is defined by the range of distance where an image appears to be in focus. There are some key tools we have to adjust and control our depth of field, two of which are aperture and ISO. In this lesson we look at at how aperture and ISO affect depth of field.