The ARRI  Mini Base Plate MBP-3 for the Blackmagic Cinema/Production Camera has been designed to fit the camera through dedicated adapter plate. Natively designed for 15 mm lightweight support rods, the MBP-3 is compatible with the ubiquitous ARRI Bridge Plate BP-8/9 for studio setups. Most cameras supported by the MBP-3 are compatible with the ARRI Cage System I..This unit, the ARRI Mini Base Plate MBP-3 for Blackmagic Cinema/Production Camera includes: