Pitch Dictionary by pitch.dog
Exposure & capture settings · Specialist

Aperture

Also called: iris

ELI5

The adjustable opening in a lens that controls light and affects how much looks sharp.

Used in conversation

“We need a wider aperture if we want the background to fall further out of focus.”

Definition

The adjustable lens opening controlling how much light passes through and affecting depth of field.

Here “Aperture” means: The adjustable lens opening controlling how much light passes through and affecting depth of field.

Pitch context

This term helps a treatment describe how the camera or light will shape the viewer's experience.

Why it matters: Explains what the image should look like and how it can be framed, captured and lit.

Connected terms

  • F-stopAperture is the lens opening; an f-stop is the numerical ratio describing that opening.
Sources & evidence · 10

Direct term-level sources and supporting source families.