If you value compactness, how about MFT?
Lenses:
As far as size/weight, it's difficult to beat it IMHO.
Lenses:
- Panasonic 12-32 f3.5-5.6 pancake
- Panasonic 45-150 f3.5-5.6
- Olympus E-M10 Mark II
- Panasonic GX80/85
As far as size/weight, it's difficult to beat it IMHO.