@Michael, your screengrab is not from the render settings; That screen shows the Preview settings.

The render settings are under the Firefly tab.

"inverse square falloff" is for the light.

it is one of the ways the light behaves, so look under the properties tab for that light.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
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