Nikon - NIKKOR Z 70-200mm f/2.8 VR S vs Sony - FE 135mm f/1.8 GM

These two are nearly even on the Mars Score (71.3 vs 72.4). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the NIKKOR Z 70-200mm f/2.8 VR S if you care most about optical stabilization and max focal. The biggest gaps in its favor are optical stabilization, max focal.

Pick the FE 135mm f/1.8 GM if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, min focal.

Both ship with comparable weather sealed, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.