Vocas 15 mm to 19 mm Adapter low for snap-on Snap-on adapter to convert 15 mm into 19 mm rails. This adapter can be used underneath the MFC-6 gearbox (0500-1500) and the MFC-2 15 mm snap-on bracket (0500-1010) as well to convert your MFC-2 or MFC-6 follow focus to 19 mm rails.
