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I have light bulb. There is filament inside and it have emission 60000. MATERIAL of filament: filamnet

MATERIAL of bulb: materials

PROBLEM: light is not passing through

BUT if i turn off bulb i have this: it's blinding without bulb))

DredWolf
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  • Hello, is the bulb a solidifed object ? Have you changed the maximum transmission bounces in the render properties ? How many samples do you render at ? 60 000 emission strength is a LOT especially at this scale (assuming you modelled the object at scale) – Gorgious Apr 26 '21 at 19:56

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Cycles doesn't handle this kind of direct lighting terribly well. The only way I know of to rectify this is to reduce the Alpha value of the glass material to something like 0.5.

oculometric
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  • I know this way, but thought this is not correct. thank you for answer – DredWolf Apr 27 '21 at 13:59
  • You’re welcome. The only other way i can think to do this is to make the emission material a dummy and add an actual light (i.e. Shift A : Light) which is just slightly bigger than the diameter of the bulb glass. – oculometric Apr 28 '21 at 07:13
  • way with using fake emission and adding light point leads to strange result. screen: https://ibb.co/YWDLD7m – DredWolf Apr 28 '21 at 19:45