STEP 9:
Finally mount the cameras by attaching the quick release base plates to
the cameras and then slide the cameras on to the rig. Slide the top
camera up to the baffle so that it's lens just goes through the hole in the
baffle. For cameras with larger diameter lenses you may need to trim
the neoprene donut using a sharp knife or scissors. You may need to
adjust the mirror box height to find the optimum height. Ideally the lens
of the top camera should be towards the bottom of the mirror box.
Note that when removing the cameras or the camera plates you need to
press the small brass button on the side of the quick release platform. In
addition the position of the locking knob can be changed by pulling the
knob out and rotating it before releasing it again.