In my opinion there is no such thing as conservation of anything, in Poser. The things which do matter are: prevention of overlighting, and proper/believabe balancing of components. In both cases it seriously matters whether Gamma Correction is applied (it might when available (PPro/P10), as it improves the believability / level of realism of the result but it seriously affects the balances as well).

I'm happy to go into the details behind this, but only when someone is interested.

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though