Slotting snugly into the back clamp ring of a Matte Box, the Genus Do-Nut Adapter Ring (GARD) is a step-down ring that bridges the space between the Lens Adapter Ring and the Matte Box. Made from high grade Delrin, the Genus Do-Nut Adapter Ring features an angled inner lip that fits all Lens Adapter Rings from 52mm to 86mm. (Use on GWMC,GML )
Inside Diameter 95mm Outside Diameter 105mm
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