This Arri MB-20 Adapter Ring is used between the background bellows adapter and your lenses.
The Adapter ring allows the user to step down to a 114mm diameter by reducing the 138mm diameter of the bellows adapter. Will hold a 4.5" drop in filter.
CAT 338664 K2.49099.0
Prop65 WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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