Sigma - 85mm f/1.4 DG DN Art vs Voigtländer - Nokton 40mm f/1.2 SE

The 85mm f/1.4 DG DN Art edges ahead on the Mars Score (73.2 vs 68.5), but the 4.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the 85mm f/1.4 DG DN Art if you care most about weather sealed / min focal. The biggest gaps in its favor are weather sealed, min focal, max focal. The single most decisive one: Has Weather sealed.

Pick the Nokton 40mm f/1.2 SE if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight. The single most decisive one: Weight — 211.00 g less. 414 vs 625.

Both ship with comparable optical stabilization, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.