Extending the range of compatible
lenses, the Canon Mount Adapter EF-EOS R is a lightweight, compact lens adapter
designed for attaching any EF or EF-S-mount lens to the EOS R mirrorless
digital camera. This simple adapter retains full autofocus and image
stabilization capabilities and contains no optical components, thereby
maintaining the original optical quality of the mounted lens. It is also dust-
and water-resistant, making it suitable for use in harsh weather conditions.