Arri 3-Stage Filter Module for MB-20 Series Matte Box

This Arri 3-Stage Filter Module for MB-20 Series Matte Box will convert your Arri 2-stage MB-20 or MB-20 II Matte Box to a 3 stage. It holds all of the MB-20 Series Filter Trays. All three stages can be rotated and locked independently, plus an additional 138mm round filter can be added when using it in studio mode. (138mm retaining ring needed) The lower photograph shows the 3-stage filter module attached to an Arri MB-20 in Mini-rod mode with a 138mm Filter Ring and 100mm Bellows (333060) CAT 338203 K2.65089.0