[…]Lumen culls small objects from Lumen Scene for performance. In the Post Process Setting, Increase the Lumen Scene Detail will capture smaller meshes over farther distances.
Small objects are culled from Lumen Scene leaving only the Screen Traces to pick up small emissive meshes. This leads to inconsistency in their lighting in the scene. Set the Level instances Emissive Light Source from the Details panel.
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