A drop-in filter designed to be used with the Canon Drop-In Filter Mount Adapter EF-EOS R. Use this filter when no other filter effects are desired as the clear glass helps protect the interior of your camera body and the rear element of the lens while the Drop-In Filter Mount Adapter EF-EOS R is in use.BenefitsA drop-in filter to fit the Filter Mount Adapter with clear glass for when no filter effect is desiredHelps to protect the interior of your camera body and the rear element of the lens while the Drop-In Filter Mount Adapter EF-EOS R is in useExterior finish matches the finish of both camera body and lensA drop-in filter designed to be used with the Canon Drop-In Filter Mount Adapter EF-EOS R. Use this filter when no other filter effects are desired as the clear glass helps protect the interior of your camera body and the rear element of the lens while the Drop-In Filter Mount Adapter EF-EOS R is in use.BenefitsA drop-in filter to fit the Filter Mount Adapter with clear glass for