The MB-19 is a compact, lightweight production matte box. The MB-19 is supplied with a filter stage for two 4" x 5.65" filters. The front filter can be pushed through vertically, the rear filter can be displaced horizontally and additionally rotated. The filter stage is fitted with a rear receptacle for 138 mm diameter filter rings as well as for an additional filter stage for one 4" x 5.65" filter and one 138 mm round filter. To simplify lens changing, the matte box swings out. For quick adaptation to different lens lengths, the matte box can be moved back and forth with a lockable adjustment knob. A holder for secure mounting of french flags is included. The matte box can also be mounted on the 15 or 19 mm support rods of conventional bridge plates.