1/4 20 or 3/8 16 Lens SupportThis camera lens support screws directly into the 20 screw hole that can be found under many different lenses and attaches in an upside down T shape to rods running under your camera to create a solid support. It includes our bridge rod clamp, known as the Q Mount, which can snap onto rods with the clamps facing up or down and tightens with a quick release ratcheting lever on either side of the mount. It can be installed anywhere on a 15mm lightweight