The exposure thing raises an interesting question.

In other "good" renderers, not only do we have emulation of shutter-speed and f-stop, we also have the ability to define light sources in terms of watts per square meter, and similar physical settings.

It begs the question, what is a Poser infinite light at, for example, 80%? What is that? Is that the brightness of a candle at 1/15th second exposure with f 2? Or is that the sun at 1/120th second with F 4.5? I have no idea.

Leaving that aside, I have no idea what light intensities and shader "Diffuse_Value" actually mean, in terms of the math going on. 

Now I'll have to go experiment. :) I'll see you guys in a month. LOL just kidding.

It sure would be nice if Poser had those final exposure dials like Kerkythea has. Right now, if you get it wrong, for example, too bright, you have to go edit every single light you have and render again. You can't just fix it in postwork, because some information was already lost. 

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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)