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This Cavision 72-77mm Step-Up Ring enables the use of 77mm threaded filters on lenses with 72mm filter threads. The 8mm depth of this ring provides more surface area than a standard step-up ring. This provides a more secure grip to the clamp of your Cavision Clamp-On Matte Box. The step-up ring has a 80mm outside diameter for use with clip-on matte boxes. It features a lightweight, aluminum alloy construction with a black anodized finish.
Use alone or with select matte boxes
This adapter ring features a depth of 8mm, providing a generous surface for a clip-on matte box to grab onto.
Lightweight, durable anodized aluminum construction