FOTGA DP3000 M3 DSLR swing-away Matte Box Kit with Donut for 15mm rod support
Matte box is used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare. It performs essentially the same function as a lens hood  and also mounts in front of the lens, but usually includes adjustable fins called French flags.Another purpose of a matte box is to hold glass or plastic filters in place in front of the lens.Feature:● Swing-Away : You can easily swing-away the mattebox without disturbing the camera from the tripod and rail system and mount the mattebox again on the camera within a second. The knob on the top of the swing-away bracket helps you to swing the mattebox from the setup.● 2 trays design● French Flag/Side Flags :reduing extra flares and removable. They are attached by hinge mechanism.● Compatible with wide angle lenses.● Compatible with 15mm rod ,center-to-center rails distance 60mm.● Two 15mm holes on bracket by side,which makes you able to mount some other device by side.2pcs 15mm rod (20cm in length)included.● 4pcs donuts● Material:Made of metal and plasticSuitable for:wide angle lenses on DV / HDV /Broadcast /16mm/35mm cameras.Package including:FOTGA DP3000 M3 Matte Box x 1Top Flag x 1Side Flags x 2Donuts (103mm,76mm,64mm,51mm) x 44"x4" Filter Holder  x 215mm Rod x 2