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. Benefits The 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 effects A 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 speeds Weather-sealed against dust and moisture ND effect can be adjusted from ND 2.5 to ND 500 equivalent* Metal lens mount on both the back and front of the adapter Exterior finish matches the finish of both camera body and lens Adapter Weight: approx. 121 g, Adapter Max. Diameter and Length: 73.2 x 24.7 mm, Drop-In Filter Weight: 18 g What\'s in the box Drop-in Filter Mount Adapter EF-EOS R with Drop-in Variable ND Filter A Compatibility EOS R3 EOS R5 EOS R6 EOS R EOS RP EOS R5 C