A silicone matte box mounted on a CNC aluminum main frame with an outer diameter of up to 124 mm. It provides a wide field of view for a variety of wide-angle lenses. Two 4 x5.6 filter trays (one rotary) with easy access handles that allow one-handed filter changes. 4 x4 filters can also be installed in the trays. The frame includes two stops at the bottom of the filter trays section to prevent the filters from falling through.The removable swing-away module makes lens changes a snap. A spring pin helps to lock the mechanism closed without manually setting the pin. 2 magnets hold it in place when closed. Removable height adjustable rod block with one tightening knob allows micro-adjustment of height, ensuring compatibility with a wide range of lenses. The rod block can be re-installed directly on the main frame for a straight configuration. The complete kit allows three different configurations, (swing-away, straight and clip-on).Removable light carbon fiber french flag can be attached to the top to prevent flares. A series of adapter rings are included in the kit: Clamp-on adapter ring: 124-87 mm Threaded aluminum adapter rings: 87-82 mm, 87-77 mm, 87-72 mm, 87-67 mm Fabric knicker: 124 mm