This scale multiplier only affects the CircleDOF DepthBlur feature (value defines in how many km the radius goes to 50%) x: Multiply the existing Depth Blur Amount with -x: Override the existing Depth Blur Amount with x (in km 1: No adjustments (default)
Usage
r.DepthOfField.DepthBlur.Amount [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.
