The MMB-1 is the first mattebox from ARRI designed for smaller-sized HD camera bodies. The ARRI MMB-1 is the only small form-factor mattebox allowing for use of three filters. Side load design solves problems with camera microphones, the rear stage is fully rotatable and lockable for use with grads. and the mattebox can be supported by 15mm LWS rods or clamped directly onto the camera lens.