The B4 2/3" broadcast lens to Sony E mount adaptor is a useful way of utilizing all of your B4 mounted lenses on any Sony E mount camera with Crop or 2K mode.
This adaptor is designed specifically to be used on Sony E mount cameras in 2k mode only. (Can only be used on B4 2/3" lenses with built in 2X extender engaged, HD lenses recomended)
Camera Reference: Sony FS-100 Sony FS-700 Sony FS5 Sony FS7 Sony FX6 Sony FX9
