Sony
Sony FE 100mm f/2.8 STF GM
Prime/Zoom
92
/ 100
From $1,498
VS
Sigma
Sigma 85mm f/1.4 DG DN Art
Prime/Zoom
92
/ 100
From $1,199
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Sony FE 100mm f/2.8 STF GM lands at 92 and Sigma 85mm f/1.4 DG DN Art at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Sony FE 100mm f/2.8 STF GM if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Pick Sigma 85mm f/1.4 DG DN Art if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Sony FE 100mm f/2.8 STF GM 92
vs 92 Sigma 85mm f/1.4 DG DN Art
Score breakdown
Sony FE 100mm f/2.8 STF GM
92 sharpness 92
af 90
build 88
value 85
Sigma 85mm f/1.4 DG DN Art
92 sharpness 92
af 91
build 94
value 84
Specs side-by-side
| Spec | Sony FE 100mm f/2.8 STF GM | Sigma 85mm f/1.4 DG DN Art |
|---|
Sony FE 100mm f/2.8 STF GM
Pros
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
Cons
- −Mount-specific
- −Weight varies
- −Price scales with quality
Sigma 85mm f/1.4 DG DN Art
Pros
- +Fast autofocus
- +Weather-sealed
- +Premium optics
Cons
- −Heavy
- −Expensive
- −Focus breathing varies
FAQ: Sony FE 100mm f/2.8 STF GM vs Sigma 85mm f/1.4 DG DN Art
Which is better, Sony FE 100mm f/2.8 STF GM or Sigma 85mm f/1.4 DG DN Art? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Sony FE 100mm f/2.8 STF GM worth the price? +
At $1,498, Sony FE 100mm f/2.8 STF GM delivers a Specdex score of 92 — strongest in sharpness.
Is Sigma 85mm f/1.4 DG DN Art worth the price? +
At $1,199, Sigma 85mm f/1.4 DG DN Art delivers a Specdex score of 92 — strongest in build.
Does Sony FE 100mm f/2.8 STF GM or Sigma 85mm f/1.4 DG DN Art last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.