Sigma
Sigma 100-400mm DG DN OS
Prime/zoom
86
/ 100
From $999
VS
Canon
Canon RF 24mm f/1.8 Macro
Prime/Zoom
86
/ 100
From $599
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Sigma 100-400mm DG DN OS lands at 86 and Canon RF 24mm f/1.8 Macro at 86. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Sigma 100-400mm DG DN OS if…
- ✓Proven optical formula
- ✓Weather-sealing (L/GM/S)
- ✓Strong resale
Pick Canon RF 24mm f/1.8 Macro if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Sigma 100-400mm DG DN OS 86
vs 86 Canon RF 24mm f/1.8 Macro
Score breakdown
Sigma 100-400mm DG DN OS
86 sharpness 86
af 82
build 90
value 86
Canon RF 24mm f/1.8 Macro
86 sharpness 86
af 84
build 88
value 85
Specs side-by-side
| Spec | Sigma 100-400mm DG DN OS | Canon RF 24mm f/1.8 Macro |
|---|
Sigma 100-400mm DG DN OS
Pros
- +Proven optical formula
- +Weather-sealing (L/GM/S)
- +Strong resale
Cons
- −Mount-specific
- −Older AF motor on some
- −Heavier than modern counterparts
Canon RF 24mm f/1.8 Macro
Pros
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
Cons
- −Mount-specific
- −Weight varies
- −Price scales with quality
FAQ: Sigma 100-400mm DG DN OS vs Canon RF 24mm f/1.8 Macro
Which is better, Sigma 100-400mm DG DN OS or Canon RF 24mm f/1.8 Macro? +
Both score 86 on our weighted rubric — tied. 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 Canon RF 24mm f/1.8 Macro worth the price? +
At $599, Canon RF 24mm f/1.8 Macro delivers a Specdex score of 86 — strongest in build.
Does Sigma 100-400mm DG DN OS or Canon RF 24mm f/1.8 Macro 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.