The Genus GWMC Wide Angle Matte Box for 4 x 4" Filters (37mm Adaptor Ring) includes a wide angle matte box with a 37mm adaptor ring, a 4 x 4" rotating filter tray, a 4 x 4" fixed filter tray, wide angle rayshade, and a GAR step-down adaptor ring. Standard lenses as well as wide angle lenses can be accommodated using the wide rayshade.
You are provided with two lockable 4 x 4" filter holders; one fixed and the other 360° rotatable for graduated filters. In conjunction with screw-in adaptor rings, the matte box can be used with 58-86 mm lenses.
Weighing 0.7 lb (0.34 kg), the Wide Angle Matte Box provides an ideal solution for location-based shoots. You can use the matte box with video cameras and DSLRs such as the Canon 5D or 7D.