The Top Plate for C300 MKIII/ C500 MkII offers a variety of 1/4-20"; 3/8-16" and M4 threads for additional accessory support such as the RMB-3, CCH-4 (CCH-4 Sliding Adapter option) or CCH-2. An integrated optically centered 15mm lightweight support interface allows mounting 15mm rods or the Mini Viewfinder Bracket MVB-1 (K2.0006140). The C300 MKIII/ C500 MkII monitor (via the Monitor Bracket for Canon C200 K2.0015520) or Canons C700 EVF (via K2.0013195 EVF bracket for C700) can be attached to the MVB-1.