Yeah the AF100 M43 lenses can be set to autofocus or fit up with power focus gear heads. But personally I think that if you want that look you alway want to get a really high end viewfinder and get really good at critical focus. It’s not that tricky ultimately to nail it every time- just takes a lot of practice, really nice gears for your really nice lens and a great electronic viewfinder with high resolution. Maybe:
https://www.xdcam-user.com/2012/06/alphatron-evf-035w-video-review/
Noah
Call Box Training.
Featuring the Panasonic GH2 and Panasonic AC160/130.