Canon Mount Adapter EF-EOS R - Drop-In Filter Variable Filter - Circular Polarizer A

? Allows EF/EF-S Lens Compatibility with the EOS R Camera.
? Drop-in Filter Adapter Allows Use of Circular Polarizing Filters.
? Dust- and Water-resistant.
? Exterior Design Matched to EF Lenses.
? Metal Mount on Both Lens and Camera Sides Provide Rugged Flexibility.