[Brightcolours]

The lenses use the same design, but it seems that Viltrox and Tokina produce the lenses/elements apart from eachother, with slight differences and slightly different MTF results (just like my Canon FL 55mm f1.2 and Nikkor-S•C 55mm f1.2... same optical design, but not the same results due to implementation, or for instance like the Canon EF 50mm f1.8 STM and Sony FE 50mm f1.8 (same basic design, different results).


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