The XDCA-FS7 attaches to the back of the PXW-FS7 camera to add inputs and outputs such as TC, Genlock, RF Out, RAW Out.. but also the possibility to use the camera with V-Mount batteries.

The Sony XDCA-FS7 Extension Unit also enables 12-bit RAW recording into the Sony AXS-R5 or another compatible RAW recorder via its FS RAW interface.