So I was following a tutorial on YouTube on How to make light bulbs (by Blender Guru) but when I did the render black spots appeared on the filament . AND They don't look like noise AT ALL.

You can see them on the glowing bulbs filament and the glass cylinder thing.

Why do they appear and how do I get rid of them?

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note the black spots onenter image description hereenter image description here

These are my settings



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