Three point lighting

The Three Point Lighting Technique is a standard method used in visual media such as video, film, still photography and computer-generated imagery. It is a simple but versatile system which forms the basis of most lighting. Once you understand three point lighting you are well on the way to understanding all lighting.

The technique uses three lights called the key light, fill light and back light. Naturally you will need three lights to utilise the technique fully, but the principles are still important even if you only use one or two lights. As a rule:

• If you only have one light, it becomes the key.
• If you have 2 lights, one is the key and the other is either the fill or the backlight.

Key Light

This is the main light. It is usually the strongest and has the most influence
on the look of the scene. It is placed to one side of the camera/subject so
that this side is well lit and the other side has some shadow.

Fill Light

This is the secondary light and is placed on the opposite side of the key light.
It is used to fill the shadows created by the key. The fill will usually be softer
and less bright than the key. To acheive this, you could move the light further
away or use some spun. You might also want to set the fill light to more of a
flood than the key.

Back Light

The back light is placed behind the subject and lights it from the rear. Rather
than providing direct lighting (like the key and fill), its purpose is to provide
definition and subtle highlights around the subject's outlines. This helps
separate the subject from the background and provide a three-dimensional
look.