Sony
Sony FE 20mm f/1.8 G
Prime/Zoom
90
/ 100
From $898
VS
Sigma
Sigma 24-70mm f/2.8 DG DN II Art
Mirrorless standard zoom · 745 g
90
/ 100
From $1,199
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Sony FE 20mm f/1.8 G lands at 90 and Sigma 24-70mm f/2.8 DG DN II Art at 90. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Sony FE 20mm f/1.8 G if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Pick Sigma 24-70mm f/2.8 DG DN II Art if…
- ✓Great optics for half the price of GM
- ✓Dual HLA motors
- ✓Solid sealing
Sony FE 20mm f/1.8 G 90
vs 90 Sigma 24-70mm f/2.8 DG DN II Art
Score breakdown
Sony FE 20mm f/1.8 G
90 sharpness 90
af 88
build 88
value 85
Sigma 24-70mm f/2.8 DG DN II Art
90 sharpness 92
af 90
build 90
value 96
Specs side-by-side
| Spec | Sony FE 20mm f/1.8 G | Sigma 24-70mm f/2.8 DG DN II Art |
|---|---|---|
| Mount | — | Sony E, L-Mount |
| Aperture | — | f/2.8 |
| Weight | — | 745 g |
Sony FE 20mm f/1.8 G
Pros
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
Cons
- −Mount-specific
- −Weight varies
- −Price scales with quality
Sigma 24-70mm f/2.8 DG DN II Art
Pros
- +Great optics for half the price of GM
- +Dual HLA motors
- +Solid sealing
Cons
- −Slightly slower AF than GM II
- −Heavier than GM II
- −Focus breathing present
FAQ: Sony FE 20mm f/1.8 G vs Sigma 24-70mm f/2.8 DG DN II Art
Which is better, Sony FE 20mm f/1.8 G or Sigma 24-70mm f/2.8 DG DN II Art? +
Both score 90 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Sony FE 20mm f/1.8 G worth the price? +
At $898, Sony FE 20mm f/1.8 G delivers a Specdex score of 90 — strongest in sharpness.
Is Sigma 24-70mm f/2.8 DG DN II Art worth the price? +
At $1,199, Sigma 24-70mm f/2.8 DG DN II Art delivers a Specdex score of 90 — strongest in value.
Does Sony FE 20mm f/1.8 G or Sigma 24-70mm f/2.8 DG DN II 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.