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This is going to sound like a noob question, because I am, but my renders are coming out completely black. I've googled and searched and adjusted accordingly but still nothing. My lights and camera are active. When I hit zero on the numberpad the image shows in render mode.

enter image description here

As it's rendering it shows

enter image description here

And i believe i have my compositor set

enter image description here

And some principles

enter image description here

So what's the silly thing I'm doing? Working file here if it helps

  • Im in cycles
  • Focal length is long
  • Just using low samples to do a quick render as it was still black with more
  • Switched back from othographic to perspective camera.
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  • $\begingroup$ See point 9 in the answer, you have a Group Output node, instead of a Compositor Output $\endgroup$ Commented Nov 26 at 17:47
  • $\begingroup$ @DuarteFarrajotaRamos I can't get Compositor output to show up $\endgroup$ Commented Nov 26 at 17:55
  • $\begingroup$ Add it from the Output category $\endgroup$ Commented Nov 26 at 18:05
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    $\begingroup$ Since Blender 5.0, the Composite node is replaced by a Group Output node: #142232 - Compositor: Replace Composite node with Group Output node - blender - Blender Projects. That being said, what is the issue here? The title mentions a black render, but neither your screenshots nor testing your file on my side shows that. $\endgroup$ Commented Nov 26 at 18:25
  • $\begingroup$ (also why render at 8268x11811 px?) $\endgroup$ Commented Nov 26 at 18:29

1 Answer 1

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It seems the issue comes from a bug when combining OpenImageDenoise and the extra large render resolution.

Until the bug gets fixed, the following might work:

  • Using OptiX denoiser instead of OpenImageDenoise if your GPU allows it:
    enter image description here
  • Disable denoising at render, but enable the Denoising Data passes, and use the compositor's denoise node instead:
    enter image description here
  • Use a lower resolution. 300DPI is high quality printing that ensures you can see details from a close distance. But for a printing of that size, if you don't intend to see it from close, you can go lower.
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  • $\begingroup$ I think this is the answer. It's inconsistently rendering black or normal $\endgroup$ Commented Nov 26 at 20:13

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