Lighting plays a crucial role in cinematography, shaping the mood and atmosphere of a scene. By understanding and mastering the concept of ambient light, filmmakers can achieve visually stunning and immersive results. In this guide, we explore the key techniques and tools for creating realistic lighting in film, drawing on the insights Rob Ellis shares in his video, The Key to Creating Realistic Lighting in Film.

The role of ambient light

Ambient light refers to any uncontrolled light that already exists within a scene. It encompasses natural light sources, such as daylight or streetlights, that contribute to the overall lighting environment. Understanding the role of ambient light is crucial for creating realistic and stylistic images.

The way shadows are handled can make a significant difference in an image. By either adding to or subtracting from the ambient light, filmmakers can manipulate the shadows and create distinct visual effects. Whether shooting in daylight, at night, or in a controlled environment, ambient light sets the foundation for the overall lighting scheme.

The fastest way to train your eye for ambient light is to study how films you admire handle it. In Frame Set, you can search a look — day interior, window light, night exterior — and line up how dozens of films and commercials shape shadow with the light that's already there.

Recreating daylight and building ambient light

To recreate the feeling of uncontrolled light, filmmakers often rely on large, soft sources for daylight scenes. When shooting with existing ambient light, bouncing light into the ceiling can enhance the existing sources. However, when starting from scratch, it's necessary to build up the ambient light to achieve a realistic look.

The video suggests starting with the sky as a reference point. By setting up a frame above the window and using a reflector dish, soft light can be brought down into the scene, filling in shadows and creating a natural ambiance. Other objects outside the window can reflect light back into the space, adding to the overall ambient light. By strategically placing bounce lights and considering how real daylight influences the location, filmmakers can achieve a more immersive and realistic lighting setup.

Controlling ambient light for desired effects

While ambient light is uncontrollable by nature, filmmakers can still shape it to create specific moods and atmospheres. By manipulating the bounce lights and introducing subtle variations in temperature, the ambient light can be fine-tuned to match the desired aesthetic. This allows filmmakers to have creative control over the lighting setup while still maintaining the illusion of uncontrolled light.

In closing

Lighting is a fundamental aspect of cinematography, and understanding how to create realistic lighting is essential for filmmakers. By recreating the feeling of uncontrolled ambient light and strategically building up the light around the scene, you can achieve visually stunning and immersive results. This guide is based on the insights in Rob Ellis's video, The Key to Creating Realistic Lighting in Film — watch the original for the full walkthrough.