yes.
yes.
yes.
yes.
yes.
yes.
yes.
yes.
...I can too, pasting the word yes is easier than trying to think of interesting sounding lens names.
sure, many of the adapters will require a glass element, which makes them less than ideal, but a 2x crop factor (along with some loss of resolution from the original film system) sucks just as much. you can use pretty much anything on pretty much anything, the question is how much you are willing to sacrifice to do so. if you used all of those lenses on your 4/3 camera, you would certainly win the prize for having the most ecclectic selection of fast portrait lenses that are aggravating to use, which would win you the plaudits of plenty of people on the internet, but it would probably suck to try and use that "system," unless you are either a masochist or you do not care about speed of operation. I admit that i was unaware of a couple of those adapters for 4/3, i was mainly aware of the OM and Exacta mount ones, but it still doesnt make using a 67mm f1.3 berkon or whatever practical or particularly useful. as to using lenses on a camera that actually work properly, my original point stands.