Connect your EF or EF-S lens to the EOS R camera with this specially designed adapter. This EF-EOS R Mount Adapter comes with variable neutral density filter - ND effect can be adjusted from ND 2.5 to ND 500 equivalent - reducing the amount of light entering the camera*. Great for filmmakers wanting to shoot at large apertures and landscape photographers shooting at long shutter speeds. Canon EOS R adapters are weather-sealed against dust and moisture, ready to be used on location.BenefitsThe EF-EOS R Mount Adapter offers the ability to connect your existing EF and EF-S lenses to your EOS R camera whilst using use drop-in filters to modify exposure and create dreamy, blurred motion effectsA drop-in variable neutral density filter to reduce the amount of light entering the camera great for filmmakers wanting to shoot at large apertures and landscape photographers shooting at long shutter speedsWeather-sealed against dust and moistureND effect can be adjusted from ND 2.5 to ND 500 equiv