Canon RF 600mm f/11 IS STM
Prime/Zoom
Sigma 24-70mm f/2.8 DG DN II Art
Mirrorless standard zoom · 745 g
Sigma 24-70mm f/2.8 DG DN II Art takes it — here’s why.
In our weighted Specdex score, Canon RF 600mm f/11 IS STM lands at 82 and Sigma 24-70mm f/2.8 DG DN II Art at 90. That puts Sigma 24-70mm f/2.8 DG DN II Art ahead by 8 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Canon RF 600mm f/11 IS STM 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
Winner by scenario
Derived from the sub-score breakdown · not a separate testBuild
Sigma 24-70mm f/2.8 DG DN II ArtCompared on the build sub-score
Sigma 24-70mm f/2.8 DG DN II Art leads on build (90 vs 88).
Sharpness
Sigma 24-70mm f/2.8 DG DN II ArtCompared on the sharpness sub-score
Sigma 24-70mm f/2.8 DG DN II Art leads on sharpness (92 vs 82).
Autofocus
Sigma 24-70mm f/2.8 DG DN II ArtCompared on the autofocus sub-score
Sigma 24-70mm f/2.8 DG DN II Art leads on af (90 vs 80).
Value for money
Canon RF 600mm f/11 IS STMSpecdex score per dollar at MSRP
Canon RF 600mm f/11 IS STM more score per dollar ($699 vs $1,199).
Score breakdown
Specs side-by-side
| Spec | Canon RF 600mm f/11 IS STM | Sigma 24-70mm f/2.8 DG DN II Art |
|---|---|---|
| Mount | — | Sony E, L-Mount |
| Aperture | — | f/2.8 |
| Weight | — | 745 g |
Canon RF 600mm f/11 IS STM
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
- −Mount-specific
- −Weight varies
- −Price scales with quality
Sigma 24-70mm f/2.8 DG DN II Art
- +Great optics for half the price of GM
- +Dual HLA motors
- +Solid sealing
- −Slightly slower AF than GM II
- −Heavier than GM II
- −Focus breathing present
FAQ: Canon RF 600mm f/11 IS STM vs Sigma 24-70mm f/2.8 DG DN II Art
Which is better, Canon RF 600mm f/11 IS STM or Sigma 24-70mm f/2.8 DG DN II Art? +
Sigma 24-70mm f/2.8 DG DN II Art scores 90 on our weighted rubric — ahead by 8. Your best pick depends on the sub-scores above.
Is Canon RF 600mm f/11 IS STM worth the price? +
At $699, Canon RF 600mm f/11 IS STM delivers a Specdex score of 82 — strongest in build.
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 Canon RF 600mm f/11 IS STM 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.
Which is better for build, Canon RF 600mm f/11 IS STM or Sigma 24-70mm f/2.8 DG DN II Art? +
Sigma 24-70mm f/2.8 DG DN II Art — leads on build (90 vs 88). Compared on the build sub-score.
Which is better for sharpness, Canon RF 600mm f/11 IS STM or Sigma 24-70mm f/2.8 DG DN II Art? +
Sigma 24-70mm f/2.8 DG DN II Art — leads on sharpness (92 vs 82). Compared on the sharpness sub-score.