Reading Time: 7 minutesWhat are gels in lighting? Definition & Meaning Gels are thin filter sheets you place in front of a light to change its color (color temperature or tint) or reduce its output (ND). They do not soften light, they do not control spill, and they do not replace correct white balance or good fixture choice.… Continue reading Gels in Film Lighting: What They Are and How You Use Them