Thanks a lot for your comments. I really appreciate contructive criticism: it's what everybody needs to improve. I know the focus is not perfect (it was reaaly difficult to focus properly in low artificial light with a makro-planar) but the result seemed to me nice after all.
z-enthusiast wrote:

I would like it better, if the model would look with her big eyes, straight into the camera! That the eyes not in crisp focus, is not disturbing, at least for me!\n\n\n