Quote - > Quote - > Quote - What should I look out for concerning lighting quality? Does higher res equal better indirect lighting for example?

Not at all. It means when you "photograph" the sphere it will look more detailed at higher res than lower res.

Ok. So since I always hide the sphere from the camera, resolution shouldn't be a major concern for me?

For purposes of lighting, no.

For purposes of reflections, maybe. Not for highly curved props. But flat props would cause you to see the sky just as you would with the camera. A flat metal with a mirror-like finish will reveal the detail or lack thereof. So would a calm water surface. Or window glass.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)