Introduction This FOTGA DP3000 Matte box (M2) is a professional device universally designed to accommodate all DSLR's and camcorders and it compatible with any industry standard 15mm rail system. The matte box gives provides the user full lighting control and prevents glare and lens flare with its foldable french flags and adjustable side wings.4pcs of donuts included to meet your different needs of lenses. It also provides a means of using 4x4" filters and one of the 180 degrees rotating filter trays and much more! It is specially designed for most DV cameras with wide angle lenses. With competitive price, this matte box will be your optimal selection. It will greatly facilitate your digital life.Specification: ★ Universal design for all camcorders and DSLRs & Industry standard 15mm supporting rods, center-to-center rails distance 60mm. ★ 2 Dual-purpose filter trays, supporting 4x4" filter sizes (One of the trays allow rotating 180 degrees) ★ 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 lengthsby 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. ★ Material: Made of Metal and Plastic Package: 1x FOTGA DP3000 Matte box (M2) 1x French Flag 2x Side Flags 2x Filter Trays 4x Donuts ( size at 103mm,76mm,64mm,51mm)