Lens Adapter Ring with Rubber Diaphragm

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Lens Adapter Ring with Rubber Diaphragm

The rubber diaphragm lens adapter ring connects the Petroff MatteBox to your camera when using either the SS-04 or SS-05 Mattebox support adapters. The adapter ring locks into the integrated MatteBox clamp and slips over the end of your lens.

The outside diameter is 142mm, the inside diameter is cut to the front diameter of the receiving lens.