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I have been trying to figure out why when I render my lightbulb image, the light coming off it becomes completely distorted. When I use preview render everything works fine. I have tried various light levels and sampling rates, nothing has changed. I have been banging my head against the wall and tearing my hair out to try and figure this out, please help. PS. I have all my render settings on default. I would post more pictures but it says its over the file limitThis is the final render and you can see the distortion

FuzzyLogic12
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  • At first sight, this looks like denoising artifacts? could you share your file via https://blend-exchange.giantcowfilms.com/? – Robin Betts Feb 08 '19 at 12:27
  • Sure thing: – FuzzyLogic12 Feb 08 '19 at 12:57
  • What you are experiencing is caused by the denoiser. Small (or thin) bright areas against a darker background will result in those white and black squares. Read: https://blender.stackexchange.com/questions/98510/how-to-properly-denoise-renderings/98535#98535 try lowering the settings for radius and strength, and use alternative solutions like no denoise and play with the settings for clamp indirect and clamp direct. –  Feb 08 '19 at 16:34
  • Read also: https://blender.stackexchange.com/questions/40040/fireflies-noise-on-glossy-material/40142#40142 and https://blender.stackexchange.com/questions/96101/problems-with-denoising-in-rendering/97491#97491 and https://developer.blender.org/T52802 –  Feb 08 '19 at 16:38
  • Thank you so much, I put the denoiser radius down to one and it completely fixed the problem! – FuzzyLogic12 Feb 09 '19 at 01:23

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