Canon Europe has released a list of recommended lenses for use with the EOS 5DS and EOS 5DS R cameras. Essentially they are concerned that some older lenses may be out-resolved by the new camera’s 50.6 Megapixel sensor. The full list contains many topside lenses, but it is good to note that the EF8-15MM F/4L Fisheye USM and EF16-35MM f/4L USM are amongst the compatible lenses.