@ N810 and TU: Changing those parameters had some effect but still I couldn't make the preview match the rendered view or vice versa.
Grin @ Bob, I've been there too I have to admit but this time that is not the case.
And Ulco: Thank you for the compliment on the tree; it's one of my own creations. And before anyone asks: No, I can't share this one, that would be a violation of the EULA.