Didn't say the Z1 was amateur, stop trying to confuse people who might be reading this. Nice try though. Didn't even mention the z1 anyone in here except the imdb listing.
No, the Cinematographer and DOP choose the cameras.
Directors can whine all they wish but it's not their call.
Guessing you've never been on a set before.
Maybe try this board a bit:
It's more helpful then dvxuser.com
http://dvinfo.net
It's where us "MR. Professionals" hang out.
Owner of BHPhoto (Herman) posts there as well.