Alexey, as Daniel has said, you are putting too much faith in the lenses. Although each lens has certain characteristics, much of what you are seeing, especially saturation, is post based. If you like shallow depth of field, then you would want to go for the zeiss lenses as they are faster but the pro zoom is a great all around lens and will serve you well.
here's a couple of examples from both the zeiss 85 and the red prozoom.
first the zeiss:
and now the zoom:
Both lenses have a place, it's really up to you.