The DoubleMount is the basis for the Zacuto Cine & Studio camera packages. By adding a Zacuto Red Plate, Zacuto Wireless Plates, battery plate & batteries you can power all of the camera accessories including the camera itself. And when Zacuto's Zround Mount (ZA-Z-RM) is added the DoubleMount can quick release articulating arms with Z-Release.
The Zacuto DoubleMount Version 3 includes 7-inch rods. The third version includes many improvements such as being 20% lighter than either Version 1 or 2.
Panasonic HVX200 requires 7" rod extensions (ZA-Z-RE-M7).
Canon XL-H1 & JVC GY-HD100U requires 10" rod extensions (ZA-Z-RE-M10).