the Canon 5DS R (and its nearly-identical sibling) is one unique Canon DSLR. While other EOS cameras can generally be considered more or less suitable for a wide variety of subjects, with ...

EF-S lenses can't be used on full-frame Canon cameras, nor on their models with 1.3x crop factors, like the current EOS-1D Mark III. The full-frame sensor on the Canon 5D Mark II means there is no ...