The FA-09 adapter converts the M-5 Module to the Arca-Swiss geometry, which allows it to be mounted to the side-arm of the re-designed WH-200 Wimberley Head Version II. The dovetail on the swinging arm of the new Wimberley Head, which allows you to adjust the platform up and down, now has the Arca-Swiss geometry. This was not true of the old version of the head.
The Wimberley Flash Brackets unique modular design makes it possible to add components and reconfigure the brackets to meet nearly any photographic need. The components of the system connect to one another simply and securely without tools. Connections are solid and cannot twist, creep, or slip apart. All knobs are captive.