Sigma 100-400mm DG DN OS
Prime/zoom
Sony FE 70-200mm f/2.8 GM OSS II
GM II · 1045g · OIS · L-Series benchmark
Sony FE 70-200mm f/2.8 GM OSS II takes it — here’s why.
In our weighted Specdex score, Sigma 100-400mm DG DN OS lands at 86 and Sony FE 70-200mm f/2.8 GM OSS II at 96. That puts Sony FE 70-200mm f/2.8 GM OSS II ahead by 10 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Sigma 100-400mm DG DN OS if…
- ✓Proven optical formula
- ✓Weather-sealing (L/GM/S)
- ✓Strong resale
Pick Sony FE 70-200mm f/2.8 GM OSS II if…
- ✓29% lighter than original 70-200 GM
- ✓Industry-best AF with linear motors
- ✓Excellent close focus
Score breakdown
Specs side-by-side
| Spec | Sigma 100-400mm DG DN OS | Sony FE 70-200mm f/2.8 GM OSS II |
|---|---|---|
| Mount | — | Sony E |
| Focal length | — | 70-200 mm |
| Aperture | — | f/2.8 |
| Construction | — | 17 elements / 14 groups |
| Stabilization | — | OSS |
| Min focus | — | 0.40 m (wide) / 0.82 m (tele) |
| Filter | — | 77 mm |
| Weight | — | 1045 g |
Sigma 100-400mm DG DN OS
- +Proven optical formula
- +Weather-sealing (L/GM/S)
- +Strong resale
- −Mount-specific
- −Older AF motor on some
- −Heavier than modern counterparts
Sony FE 70-200mm f/2.8 GM OSS II
- +29% lighter than original 70-200 GM
- +Industry-best AF with linear motors
- +Excellent close focus
- −Premium pricing
- −Heavy at 1045g
- −External zoom changes balance
FAQ: Sigma 100-400mm DG DN OS vs Sony FE 70-200mm f/2.8 GM OSS II
Which is better, Sigma 100-400mm DG DN OS or Sony FE 70-200mm f/2.8 GM OSS II? +
Sony FE 70-200mm f/2.8 GM OSS II scores 96 on our weighted rubric — ahead by 10. Your best pick depends on the sub-scores above.
Is Sigma 100-400mm DG DN OS worth the price? +
At $999, Sigma 100-400mm DG DN OS delivers a Specdex score of 86 — strongest in build.
Is Sony FE 70-200mm f/2.8 GM OSS II worth the price? +
At $2,799, Sony FE 70-200mm f/2.8 GM OSS II delivers a Specdex score of 96 — strongest in af.
Does Sigma 100-400mm DG DN OS or Sony FE 70-200mm f/2.8 GM OSS II 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.