Rather than throw out questions to strangers on the internet, the first thing you (or your friend) need to do is ask yourself: why you are doing this?
That will shed more light than anyone here can.
I tried it when I bought my first m43 body, the EM10, as a way to stretch my gear budget. I used my old Minolta lenses. You get what you pay for.
As for lens "character" or creating "interesting" photographs, I don't go for that. I think those are just terms to justify awful results. Some people think shooting without a lens, or through a prism, creates interesting results. I don't.
Based on results I've seen (from my images and others) I would not suggest using vintage glass as a benefit of the m43 system.
Just because you can't doesn't mean that you should.
That will shed more light than anyone here can.
I tried it when I bought my first m43 body, the EM10, as a way to stretch my gear budget. I used my old Minolta lenses. You get what you pay for.
As for lens "character" or creating "interesting" photographs, I don't go for that. I think those are just terms to justify awful results. Some people think shooting without a lens, or through a prism, creates interesting results. I don't.
Based on results I've seen (from my images and others) I would not suggest using vintage glass as a benefit of the m43 system.
Just because you can't doesn't mean that you should.