Distant lights can be useful for applying uniform lighting to a scene, but they can make a scene appear washed out or too light.
Photometric lighting is enabled, and American or International lighting units is set.
This name appears in the Properties and Lights in Model palettes.
You can continue to specify properties by entering options, or you can exit and set properties interactively. When you use the interactive method, you can see the results of your changes as you work.