How do I add 4K support to the NEX-FS700?
NEX-FS700 firmware version 3.0 added 4K Raw Support via the camera’s’ SDI output connector.
See link below for more information
/electronics/support/software/mpueus00000677
Any version 2 camera requires hardware modification by Sony Service to support 4K Raw output.
Please see the link below for Sony repair information