What type of lighting is designed to reduce shadows in a three-point lighting process?

In a three-point lighting setup, the fill light plays a crucial role in minimizing shadows created by the key light. The key light is the main source of illumination and establishes the overall light and shadow framework, often casting shadows on the subject. The fill light, positioned opposite the key light, specifically addresses these shadows by providing additional light that softens and reduces their intensity. This creates a more balanced and flattering appearance, allowing for details to be visible without harsh contrasts.

While ambient light can generally contribute to the overall illumination of a scene, it does not specifically target the shadows created by the key light. The back light, on the other hand, is used to separate the subject from the background, adding depth to the scene rather than addressing shadow reduction directly. Each element of three-point lighting has its distinct purpose, but the fill light is essential for ensuring that shadows are minimized and the subject is evenly lit.