Sigma 105mm F2.8 EX DG Macro for Canon & Nikon mounts measurements and review

The Sigma 105mm F2.8 EX DG Macro is available for many mounts: Nikon,Canon, Sony, Minolta, Pentax, FourThirds. So, we will first have a closer look at the Nikon and Canon versions:Sigma for Canon vs Sigma for NikonIf you look at the detailed measurements, you will see how similar these 2 versions of the Sigma 105mm F2.8 EX DG Macro (Nikon and Canon) feature:An equal overall DxOMark score: good from f/2.8 to f/5.6 but deteriorating at f/8 to become really bad from f/11 to f/36Almost identical resolution metrics: 58 lp/mm for the Canon version and 57 lp/mm for