Canon Mount Adapter EF-EOS R  type_Projectors optical and mechanical function are

optical and mechanical function are excellent

But it has a pretty nice wide angle lens (it's a 28mm equivalent at the wide end)

The Nikon Coolpix S6 is a pocketable digital point-and-shoot camera with a 3x zoom lens and a 6mp sensor

and it doubles the focal length (at the cost of two stops of light)

a semi-focusable lens (infinity or not-infinity)

Canon Mount Adapter EF-EOS R &nbsptype_Projectors optical and mechanical function areThe Canon Mount Adapter EF EOS R lets you mount Canon EF and EF S lenses to EOS R mount cameras. Operation is nearly seamless with most Canon EF lenses, though compatibility and performance may vary (it's still an adapter, after all). In excellent condition.