Genustech G-COAR 110 Clamp-On Lens Adapter Ring for GPMB Matte Box (110mm)

The 110mm G-COAR 110 Clamp-On Lens Adapter Ring for GPMB Matte Box from Genustech is a split-ring-design, Delrin adapter ring that enables you to mount the Genus Production Matte Box onto a lens with a 110mm front. It clamps onto the outside of the lens and avoids needing to be screwed into the lens' filter threads.