Sigma 24-70mm f/2.8 DG DN II Art
L/E mount · Constant f/2.8 · 745g
Canon RF 28-70mm f/2L USM
Prime/Zoom
Canon RF 28-70mm f/2L USM takes it — here’s why.
In our weighted Specdex score, Sigma 24-70mm f/2.8 DG DN II Art lands at 93 and Canon RF 28-70mm f/2L USM at 96. That puts Canon RF 28-70mm f/2L USM ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Sigma 24-70mm f/2.8 DG DN II Art if…
- ✓Sharper than first-party Sony GM at 1/3 the price
- ✓Aperture ring with click toggle
- ✓Weather-sealed
Pick Canon RF 28-70mm f/2L USM if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Score breakdown
Specs side-by-side
| Spec | Sigma 24-70mm f/2.8 DG DN II Art | Canon RF 28-70mm f/2L USM |
|---|---|---|
| Mount | L-Mount + Sony E | — |
| Focal length | 24-70 mm | — |
| Aperture | f/2.8 | — |
| Construction | 19 elements / 15 groups | — |
| Min focus | 0.18 m | — |
| Filter | 82 mm | — |
| Weight | 745 g | — |
Sigma 24-70mm f/2.8 DG DN II Art
- +Sharper than first-party Sony GM at 1/3 the price
- +Aperture ring with click toggle
- +Weather-sealed
- −Heavier than Sony GM II
- −Not stabilized — relies on body IBIS
- −Hood plastic
Canon RF 28-70mm f/2L USM
- +Fast autofocus
- +Weather-sealed
- +Premium optics
- −Heavy
- −Expensive
- −Focus breathing varies
FAQ: Sigma 24-70mm f/2.8 DG DN II Art vs Canon RF 28-70mm f/2L USM
Which is better, Sigma 24-70mm f/2.8 DG DN II Art or Canon RF 28-70mm f/2L USM? +
Canon RF 28-70mm f/2L USM scores 96 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.
Is Sigma 24-70mm f/2.8 DG DN II Art worth the price? +
At $1,099, Sigma 24-70mm f/2.8 DG DN II Art delivers a Specdex score of 93 — strongest in sharpness.
Is Canon RF 28-70mm f/2L USM worth the price? +
At $2,999, Canon RF 28-70mm f/2L USM delivers a Specdex score of 96 — strongest in sharpness.
Does Sigma 24-70mm f/2.8 DG DN II Art or Canon RF 28-70mm f/2L USM 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.