The 2-Stage 4 x 5.6" Matte Box from SHAPE can be used as a
clip-on matte box or can be mounted on industry-standard 15mm rod
system. It is designed for light control, insertion, and adjustment of
filters. It features a two-stage rotating 4 x 5.6" filter holder. The
matte box accepts lenses with a front diameter up to 114mm. It comes
with six step-down rings that allow you to fit lenses with an outer
diameter of 52, 58, 62, 67, 72, 77, and 82mm as well.