On-set VFX data & reference · Core
Grey ball reference
Also called: gray ball
ELI5
A neutral grey sphere photographed on set to help evaluate light direction and intensity.
Used in conversation
“Let’s test the grey ball reference before the final VFX method is locked.”
Pitch context
You may encounter “Grey ball reference” in vfx, virtual production & animation conversations or materials.
Why it matters: Explains image creation that extends beyond straightforward live-action photography.
Connected terms
- Chrome ball referenceComputed from definition language and shared taxonomy. This indicates proximity, not synonymy.
Sources & evidence · 6
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- Academy of Motion Picture Arts and Sciences / ACES — ACES Glossary and User GuidesSupporting source family · primary · checked 2026-08-14
- Pixar Animation Studios — Universal Scene Description DocumentationSupporting source family · primary · checked 2026-08-14
- Pixar Animation Studios — RenderMan DocumentationSupporting source family · primary · checked 2026-08-14
- Epic Games — In-Camera VFX OverviewSupporting source family · primary · checked 2026-08-14
- Epic Games — In-Camera VFX Best PracticesSupporting source family · primary · checked 2026-08-14
- ScreenSkills — Online Learning Glossary and Job ProfilesSupporting source family · institutional · checked 2026-08-14