Curious to know which camera would provide best sharp results with good dynamic range (11 stops)  and least artifacts for 1080p 50fps: A7s the first in aps-c mode with or without  metabones speedbooster A7s the first in aps-c mode & atomos assassin with or without metabones speedbooster Gh4 in vlog with atomos assassin with or without  metabones speedbooster a6300 with or without metabones speedbooster A7s ii Blackmagic micro cinema camera (When it ev