Problem with Mirror Reflections Lumen UE 5.1.1

Development Rendering
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Hi, newbie here. I have a problem with mirror reflection here in unreal engine 5.1.1. Not only for mirror, but i think everywhere I look the reflection fades away and become blurry.

So, I used lumen reflection with quality of 4, ray mode = hit lighting for reflection, checked hq translucency reflection.

Screenshot_48
Screenshot_481639×864 94 KB

So my question is how to fix the red and green arrows issues?? any console command to fix the issues? it looks like screen space reflection for me than lumen reflection??

also how to hide the spotlight bulb actor (I think it is like a specular or something) in the mirror?? (Blue Arrow)

Below are the lumen setting that i used right now.

Screenshot_47
Screenshot_47479×771 35.5 KB

Any help is very helpful for me. Thanks in advance.

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You can use the lumen debug views under lit to see the lumen scene the engine is working off of. You can also turn off screen traces with r.Lumen.ScreenProbeGather.ScreenTraces 0.

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Looks like IES profiles may not be supported for hit lighting reflections.

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Ah, I missed that, might only be able to get away with very subtle IES profiles with mirror reflections.

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So I’ve used the console command according to your suggestion, but the result is still the same as this.

Then I’ve tried without using IES and using the default spot light from UE. pretty good, but still looks like screen space reflection.

I also tried this console command, r.Lumen.Reflections.ScreenTraces 1 to 0. The screen space effect is completely gone but all the emissive light is completely gone in the shower room.

What do you all think? what do I have to do? but to replace IES already includes a good solution. Thanks

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For emissive lighting, make sure it’s a separate mesh for only the glowing part if possible, make sure mesh distance fields are enabled, and check Emissive Light Source on the detail settings.