Fog is a retractable set of functions from Render's light panel.
That light scattering only works in perspective and freestyle cameras.

Interface 0.99.5a render light-fog

Fog density

Range from 0 to 200[1], unitless. Can be changed using the related slider or by entering a number manually.

Fog color

Can be changed using the color box.

Fog phase

Position of the fog volume/scattering in relation to the camera target.
Range from -0.90 (backward) to 0.90 (forward), unitless. Can be changed by either entering a number manually, or clicking/dragging the arrows.

  1. Thanks for the discovery Octtree!

Choose an interface mode for documentation
Community content is available under CC-BY-SA unless otherwise noted.