Hum. Which brand ? Oh. I need to read more; must be micro 4/3 with 3% distortion. Hum. Sounds like a zoom but i can't be the 35-100. Hum.
I think a super APO will not be a zoom. If it is, then chapeau to the maker.
is it the new Sigma 180 macro?
I'm pretty sure it is the panasonic 35-100f2.8
2 reviews ... next week B)