Poser ,DAZ don't have vector maps yet.
Displacement maps are seldome used with Poser ,DAZ
Don't have F5 but reads displacement map not sure if that means a zBrush displacement map.

If you want to see what displacement ,vector maps can do.

 

http://pixologic.com/

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The Artist that will fight for decades to conquer their media.
Even if you never know their name ,your know their Art.
Dark Sphere Mage Vengeance