# Flickering in a mirror UE 5.5

**URL:** <https://forums.unrealengine.com/t/flickering-in-a-mirror-ue-5-5/2282389>\
**Category:** Rendering\
**Tags:** unreal-engine, Rendering, question\
**Created:** [January 17, 2025, 11:36am UTC](https://forums.unrealengine.com/t/flickering-in-a-mirror-ue-5-5/2282389 "2025-01-17T11:36:07Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![Arkiras](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/arkiras/32/1008648_2.png) [@Arkiras](https://forums.unrealengine.com/u/Arkiras)\
**Post date:** [January 20, 2025, 3:58am UTC](https://forums.unrealengine.com/t/flickering-in-a-mirror-ue-5-5/2282389/12 "2025-01-20T03:58:45Z")

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Please see this post:

> [@Lumen GI and Reflections feedback thread](https://forums.unrealengine.com/t/lumen-gi-and-reflections-feedback-thread/501108/1936):
>
> So I finally found some settings that’ll make the Archvis crowd stop complaining about noise under indirect light, especially in reflections. Maybe I’m late to the party here and someone else found this, but here it is: Default: r.LumenScene.Radiosity.Temporal.MaxFramesAccumulated 4 r.LumenScene.Radiosity.HemisphereProbeResolution 4 Default (Low) Probe Resolution, Very High Temporal Count: r.LumenScene.Radiosity.Temporal.MaxFramesAccumulated 32 r.LumenScene.Radiosity.HemispherePr…

> [@looore91](#):
>
> Additionally, is it possible to use **Planar Reflection Screen** in UE 5.5?

Not with Lumen

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