Skip to content
Dictionary by pitch.dog
Exposure & capture settings · Specialist

Exposure index

Also called: EI

ELI5

The sensitivity value used to rate and expose a camera system, which may differ from measured sensor sensitivity.

Used in conversation

“Let’s test the exposure index before we lock the lighting approach.”

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

  • ISOISO names a sensitivity rating or setting; exposure index is the rating used for exposure decisions and may intentionally differ from a camera’s native rating.
When the words have to travel

Need a deck, treatment or show bible?

Bring the script, brief or half-formed thought. We help find the shape people need to understand.

See how pitch.dog can help
Sources & evidence · 10

Direct term-level sources and supporting source families.