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that is an interesting comparison AXL, In that comparison the SMCP 50mm f/1.2 is the clear winner on account of it's smooth bokeh rendering. The Carl zeiss 50mm f/1.4 planar is even worse than the DA*55in it's rendering of OOF highlights: it tends to be
very harsh - The K 50 f/1.2 is the complete opposite.
something else I noticed is that the SMCP 50mm f/1.2 has less PF than the DA*55 at the widest aperture settings,curious.