The Movcam Mattebox MM3 features a 104 mm rear clamp adapter and is compatible with lenses up to 18 mm (35 mm academy).
It is equipped with 16:9 ABS housing, a French flag and side wings for light control, one fixed / one rotating 4 x 4" (10.16 x 10.16 cm) filter holder, and a 15 mm mini rod clamp bracket.
The bracket provides industry-standard 15 mm rod support.