【SIGMA 50mm f2.8 EX DG MACRO for Canon EF Mount】 Focal Length: 19-70mm Aperture: f/2.1-2.8 Includes lens hood, front lens cap, and rear lens cap. This is a beautiful item with no noticeable scratches. Of course, there are no scratches or clouding on the lens or rear element. Both manual and autofocus are in good working order. This high-quality lens has a matte texture with a luxurious shimmer. If you want to use it with the R series, you can use it by combining it with a separately sold control ring.