SmallRig mini Matte Box Pro 3680B is designed for video production with mirrorless cameras, effectively reducing flare and maintaining image quality by blocking stray light from sunlight and other sources. This matte box includes two 4 x 5.65" filter trays that can be quickly mounted via a NATO clamp and supports multiple filters stacked together.The top flag opens up to 180 Degree , while the side wings extend up to 40 Degree for an expanded blocking area. The side flag can be attached to either the matte box or the filter tray using a NATO clamp and also opens up to 180 Degree to block stray light.The package includes four adapter rings (67-95mm, 72-95mm, 77-95mm, 82-95mm), allowing for direct mounting onto cinema lenses with a 95mm outer diameter or attachment to mirrorless camera lens filters (compatible with 67mm, 72mm, 77mm, and 82mm filter sizes). A carrying bag is also included for easy storage of the matte box and filter trays.