【Fits for almost all cameras,15mm rail system】Universal design for all camcorders and DSLRs & Industry standard 15mm supporting rods, center-to-center rails distance 60mm | 【90 degree Swing-away type,easily and quickly chenge lens】You can easily swing-away the mattebox without disturbing the camera from the tripod and rail system.you can free open from one sides ,applied in the photographic process frequent replacement lenses and filters ,easily and convenience.Extra center-to-center 60mm 15mm rail holes on the swing-away bracket for mounting more accessories. | 【2 filter trays,one is totatble】2 dual-purpose filter trays made of plastic,supporting 4"x4" filter used .one filter tray is fixed,another one of the filter trays is rotatable,which will be helpful when you use gradual ND filter | 【3 flags greatly block lights】French Flag/Side Flags : The flags provide extra flare reduction and improves the quality of videos. The side flags are quick removable. They can be attached /detached easily.Both flags can be folded for storage. | 【Flags angles are adjustable】The flags are attached firmly on the sunshade mattebox by hinge mechanism. The side flags can be opened to the desired length by using the small knob provided on the flags