Glossary

Comprehensive glossary of filmmaking terms, concepts, and techniques.

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Illumination placed behind the subject, separating them from the background and creating edge definition.

The difference in luminance between the brightest and darkest areas of an image or scene.

The strong contrast between light and shadow used as a primary expressive tool to create depth and drama.

A secondary light source placed opposite the key to soften shadows and control contrast ratio.

An image in which too much light reached the sensor, causing highlight areas to lose detail and clip to white.

A light placed behind and slightly to the side of a subject to create a bright outline along their edges.

Insufficient light reaching the sensor, causing shadow detail loss and increased noise.