Featuring a quick lock mounting system that attaches to the front lens barrel of 114mm lenses the vocas mb 215 compact matte box can accommodate filters sized 3x3 to 4x6 with room for 2 filters 1 rotatable and 1 fixed this matte box can also be attached to the camera via 15mm lightweight rod support and is wide enough to work on most cameras with wide angle converters without vignetting