Can I use a matte box with FocusONE? Ashley July 22, 2018 22:27 Updated Yes, a matte box may be used with the FocusONE on the PocketRIG 2 as shown in our video below: Related articles Can I operate the FocusONE without a lens gear attached? How do I align the FocusONE's control knob? Can I manually control HeadPLUS through the edelkrone app? Why is the firmware of the HeadPLUS not updating for me? HeadPLUS Comments 0 comments Please sign in to leave a comment.