Quote - Here's IK for Genesis in Poser...

http://www.sharecg.com/v/67133/browse/11/Poser/Inverse-Kinematics-for-DAZ-Genesis-in-Poser

You can try reducing the subdivision to improve the viewport speed; under the Scripts Menu in the DSON utilities folder run Set SubDivision Level 0 and see if that helps. 

She can also be exported from Studio as a normal cr2, (you should have Studio 4.5 installed anyway, to create Poser Companion files to use items that don't have them with DSON)  but you will need to export her clothing too, unless you use dynamics. (There is a WW plugin, but I haven't tried it)  There may be material issues; to get around that, load V5 with DSON, save her materials as a material collection, and apply that to the cr2 version...

 

Oh, one more thing; Try unchecking Show Progress On Load in the DSON Importer Preferences…

not saying what anyone else should do
but for me ,sounds like it would be easier to just use V5 in DAZ

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