Eliminate the need for buying different size lens filters for your lenses with our new Kolari RF to EF Drop-in Filter Adapter For Canon RF Mount!  The adapter connects smoothly to your Canon EOS R camera and has been carefully designed to feature precise register distance for optimal focus and sharpness when using your EF lenses with drop-in filters. The light baffled interior helps reduce stray reflections and the exterior offers an effective weather seal against the lens and drop-in filters. Our precision CNC machined adapter features an aluminum shell with a rugged knurled traction grip that just feels great in your hands. Our adapter is fully compatible with our Kolari R Drop-in Filters and Canon’s drop-in filter line-up as well!