FOTGA DP500 III Mattebox REVIEW - can it hold up with the System?

Amazon US: Amazon EU: eBay International: (Amazon are affiliate links; buying through those would benefit my channel, and therefore you! Just so you know!) As addition to the DP500 III Filmmaker system (mostly known for the great follow focus) has a new addition in form of a 4x4 swing-away Mattebox. See the DP500 III Follow Focus here: