DV Arm was designed for mounting an LCD/monitor on the 15mm rail system, with a center-to-center distance of 60mm. It is made of two sections joined together with a knob. It's flexible and can be positioned in any direction. The15 mm adapter can be used top or bottom to mount the arm on 15mm rods, as needed.
DV Arm Adapter Set:
This package includes the follow focus MA-1 monitor arm in one