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In C4D I can control which objects to affect with a light, in the image below only the main object is affected by the light source, the background and other objects are not affected. But I haven't found a way to do this in blender!

Is it possible to specify which objects to affect with a light source?

pic

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    $\begingroup$ If your question is: can light only affect some objects and not others? I think it's not possible yet $\endgroup$ – moonboots Nov 11 '19 at 10:17
  • $\begingroup$ I edited your question to make it easier to understand, feel free to edit or roll back if it's not what you wanted to ask. $\endgroup$ – Luciano Nov 11 '19 at 13:20
  • $\begingroup$ If you don't mind using OSL, you can light selectively this way, but I think you would want to check that render passes wasn't a better way. $\endgroup$ – Robin Betts Nov 13 '19 at 5:36
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To remove specular, as that's the name for the thing pointed to, you select the faces that shouldn't have it and give them material of the same color, but with a different name. Then, in a node, set its Roughness to 1. This goes for Cycles.

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