Gel

How it is used

Used in lighting departments on film sets, stages, and studios. People talk about adding, replacing, or matching gels to control mood, color temperature, or visual consistency.

Example sentences

1. The gaffer clipped a blue gel onto the backlight to give the hospital corridor a colder, more clinical look.

   Here, gel means a lighting filter used to shift the color of the light so the scene feels emotionally and visually colder.

2. Please replace that torn gel before the next take, or the window light will not match the earlier close-ups.

   In this example, the gel is important for continuity because damaged material can alter the light and break visual matching.

Common collocations

• blue gel
• CTO gel
• gel frame
• replace a gel

Related terms

• lightingThe use and arrangement of light sources on set to show the action clearly and to create the mood and look of a scene.
• gafferThe head of the electrical and lighting crew on a film set, who carries out the cinematographer's lighting plan.

More terms: Lighting

• key light
• three-point lighting
• low-key lighting
• best boy
• electrician
• grip
• practical light