Excuse me but I don't understand what you are speaking about.
I've got no zoom(s), never used them, I use only fast and sharp primes on my M43 camera, specially :
- Panasonic 20mm f1.7
- Cosmicar TV 25mm f1.4
-SOM Berthiot 50mm f2
That's why I'm just waiting now for a 11mm, because I love wides.