Thoughts on the 40-150R

I agree that it is a very good lens and I've found it quite sharp also on 150 mm. I think your input is very interesting, as I also have tried to compare lenses cross-system and as long as I understand a comparison lp/ph wouldn't be unfair. But PZ themselves say that you shouldn't do such comparisons so I'm confused.

One thing that struck me is that according to SLRGear the 12-50 kit lens seems to be better than the EF 24-105/4 L.