# Weird shadow artifacts with Lumen

**URL:** <https://forums.unrealengine.com/t/weird-shadow-artifacts-with-lumen/1964415>\
**Category:** Rendering\
**Tags:** unreal-engine, question\
**Created:** [August 6, 2024, 3:21pm UTC](https://forums.unrealengine.com/t/weird-shadow-artifacts-with-lumen/1964415 "2024-08-06T15:21:54Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![3dRaven](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/3draven/32/906552_2.png) [@3dRaven](https://forums.unrealengine.com/u/3dRaven)\
**Post date:** [August 6, 2024, 4:45pm UTC](https://forums.unrealengine.com/t/weird-shadow-artifacts-with-lumen/1964415/5 "2024-08-06T16:45:47Z")

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> [@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…

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