Manfrotto 3 Section Double Articulating Arm Zoom The key feature of the The key feature of the MT190XPRO3 is its 90° centre column mechanism which allows the column to be extended vertically as normal or horizontally to open up a wide range of framing and shooting possibilities the Sigma EF 630 can be connected to update it via the Sigma USB docking station for flashes Excellent performance: robustness lightness and versatility The 396 family has been developed to provide greater robustness than the 196 range and to support heavier loads (upto 5kg) though keeping versatility thanks to its extendable sliding arm system (extends upto 860mm) further enhanced by its quick lock system