Pitch Dictionary by pitch.dog
Filters, diffusion & image texture · Core

ND filter

Also called: neutral density

ELI5

A dark camera filter that reduces light without intentionally changing colour.

Used in conversation

“Add an ND filter so we can keep the aperture open in bright daylight.”

Definition

Neutral-density filter reducing exposure without intended colour change.

Here “ND filter” means: Neutral-density filter reducing exposure without intended colour change.

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

  • Variable neutral-density filterA fixed ND reduces light by a set amount; a variable ND lets the operator adjust reduction and may introduce additional optical artefacts.
  • Neutral-density filterComputed from definition language and shared taxonomy. This indicates proximity, not synonymy.
Sources & evidence · 8

Direct term-level sources and supporting source families.