The Metz SCA 3000C Converter will adapt SCA 3000 or 3002 modules to be used with SCA 300 series flash units. It has a 13" long coiled cable, but also allows up to 4.5' extension from a handle-mount flash to a camera mounted module.
The built-in AF sensor retains accuracy of focus.
Reviews Metz SCA 3000C Converter & Extension Cord - Adapts 3000/3002 Series Modules to 45CL-3, 45CL-4 and 60CT-4