Use Distant Lights
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Distant lights are useful for lighting objects or as a backdrop.

Distant Lights in Standard Lighting Workflow

A distant light emits uniform parallel light rays in one direction only. You specify a FROM point and a TO point anywhere in the viewport to define the direction of the light. Spotlights and point lights are each represented by a different light glyph. Distant lights are not represented by glyphs in the drawing because they do not have a discrete position and affect the entire scene.

The intensity of a distant light does not diminish over distance; it is as bright at each face it strikes as it is at the source. Distant lights are useful for lighting objects or for lighting a backdrop uniformly.

NoteIt is recommended that you do not use distant lights in blocks.

Distant Lights in Photometric Workflow

Distant lights are not physically accurate. It is recommended that you do not use them in a photometric workflow.