# Weird light artifacts

**URL:** <https://forums.unrealengine.com/t/weird-light-artifacts/1845277>\
**Category:** Rendering\
**Tags:** unreal-engine, Rendering\
**Created:** [May 7, 2024, 8:37pm UTC](https://forums.unrealengine.com/t/weird-light-artifacts/1845277 "2024-05-07T20:37:55Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![Adamska1993](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Adamska1993](https://forums.unrealengine.com/u/Adamska1993)\
**Post date:** [May 17, 2024, 6:00pm UTC](https://forums.unrealengine.com/t/weird-light-artifacts/1845277/11 "2024-05-17T18:00:26Z")

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After farther investigation, i should have fixed it following this topic

> [@Increase Lumen render distance?](https://forums.unrealengine.com/t/increase-lumen-render-distance/272714/15):
>
> The following worked for me in my use case: Enable “Use Hardware Ray Tracing” in project settings. Restart if required. These console commands: r.LumenScene.FarField 1 r.RayTracing.Culling.Radius 100000 (couldn’t go beyond this number) Extras: r.LumenScene.FarField.FarFieldDitherScale 10000 (helps soften the edge of where lumen reflections kick in) r.Lumen.Reflections.ScreenTraces 0 (gets rid of the jarring transition between lumen and screen scace reflections, which can look quite dif…

I will render it out in the next weekend and see if everything it’s fine.

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