Poser 7 supports it. And you just changed back to saying "specular" reflection. Say scene reflection.

Specular effects (Blinn, Anisotropic, etc.) are simplified models of reflection (in Poser) and only consult your directional lights.

Poser's ray-traced reflection (Reflect node) does not consult your lights, but rather what is in your scene. That is what you just demonstrated and what I was demonstrating.

In other CG apps, the "specular" effects include BOTH the influence of your light sources and your scene. And they also include the influence of your Image Based Lighting. Poser does not include this in anything except the Diffuse effect.

But by using my environment sphere, you can include the IBL image data as reflection data, for use in specular reflection. That is the point of my environment sphere. And I said all along that you can put an HDRI on the e-sphere. That's why the e-sphere shaders have a gamma-in parameter. If you've attached an LDRI, you use 2.2 for gamma-in. If you've attached an HDRI, you use 1.0 for gamma-in.

You can do this in either Pro or 7. All you need is e-sphere.

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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)