Dan - the transition at the terminator is what I was talking about. It doesn't fade realistically because the GC function is not actually what your monitor is doing. The monitor is following a more complex response curve, called sRGB. .Anything near black is very different between GC and sRGB.

I had a very interesting discussion about this with cobaltdream, who is driven nuts by this phenomenon.

It happened in the artistic lens thread. You want to jump into it here on page 5:

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2754029&page=5#message_3404764

Read through to page 6 where Stefan says I'm a maniac and then I ask him if sRGB will be in Poser 8.

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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)