Filmmakers rely on images to tell stories and create mood, so it's important to think carefully about how you light a scene.
When planning your shots you should always spend time thinking about what kind of mood you want the lighting to create.
Traditionally, most film lights used tungsten bulbs.
Tungsten bulbs work like household lightbulbs but generate a lot more light and heat.
Tungsten lights can be dangerous. You must be extremely careful because they generate so much heat that bulbs can shatter. The lights must be allowed to cool down before being moved.
The extreme heat they generate can cause burns if you accidentally touch the casing of the light.
The need to plug tungsten lights into power outlets also raises the risk of injuries if cast or crew members trip over poorly secured cables.
In recent years, LED lights have become more common.
There are now many forms of LED lighting kits which use batteries rather than mains electricity.
These lights can achieve levels of brightness similar to those of tungsten bulbs but they generate much less heat, which means they are safer to use and much more portable.
If you are using mains powered lights:
With all lights you should make sure that: