Lighting is the difference between footage that looks made and footage that looks recorded. It is also the easiest thing on a set to get consistently right.
Soft beats bright
The larger the light source relative to the face, the softer the shadows. A small bright lamp creates hard edges and emphasises texture. Diffuse everything: through a softbox, an umbrella, a diffusion panel, or by bouncing off a white wall or ceiling.
The key light
One main light per person, placed roughly forty five degrees to the side and slightly above eye level, angled down a little. This gives shape without deep shadow. Move it closer for softer light, further away for more contrast.
Fill
If the shadow side is too dark, add a weak light or a white reflector on the opposite side. Fill should lift the shadow, not match the key. When the two sides are equal the face goes flat.
Separation
A subtle light on the shoulders and hair from behind, or simply a lit background, stops people merging into the wall. This is the single change that makes amateur setups look considered.
Colour consistency
Match the colour temperature of every source in shot. Mixed daylight and tungsten produces one orange cheek and one blue cheek that no colour grade fixes cleanly. If a window is in play, either match it or block it and control the room entirely.
Common mistakes
- Overhead office lighting alone: shadows under eyes, grey skin.
- A bright window behind the subject: silhouettes.
- Lights too close to the lens: flat, characterless faces.
- Different lighting for each guest in the same conversation.
- Glasses catching the key light as a mirror. Raise the light and angle it down.
Skin tones
Light for the people who are actually in the room. Darker skin generally benefits from slightly more exposure and a light placed to create a defined highlight along the cheek. Check exposure on faces rather than trusting an overall meter.
Lock it in
Once a setup works, photograph it, note the power levels, distances and heights, and mark the floor. Consistency episode to episode matters more to viewers than any individual improvement.