FOTGA DP3000 M2 Pro Matte Box Sunshade with Donuts & Filter Trays for 15mm Rod DSLR Rig 5D II III 7D 6D D90 GH2 2 dual-purpose filter trays,supportinh 4"x4" filter.One of the 2 filter trays is rotatable,which will be helpful when you use gradual ND filter. The kit includes one French flag, and two adjustable side wings. Each of the three flaps can be positioned and locked in place so as to suit different focal lengths by providing the maximum amount of shading without getting in the way of the shot A set of 4 donut rings are included.(Size at 103mm,76mm,64mm,51mm).By fitting one of these rings, light from the rear of the matte box can be blocked out, leaving only the camera lens protruding through. Donuts are slightly flexible, and the four sizes range to fit almost any lens diameter Universal design for all camcorders and DSLRs & Industry standard 15mm supporting rods, center-to-center rails distance 60mm Material: Made of Metal and Plastic