Tamron
Tamron 20-40mm f/2.8 Di III VXD
Prime/zoom
85
/ 100
From $699
VS
Canon RF 24mm f/1.8 Macro wins by 1
Canon
Canon RF 24mm f/1.8 Macro
Prime/Zoom
86
/ 100
From $599
Specdex verdict
Canon RF 24mm f/1.8 Macro takes it — here’s why.
In our weighted Specdex score, Tamron 20-40mm f/2.8 Di III VXD lands at 85 and Canon RF 24mm f/1.8 Macro at 86. That puts Canon RF 24mm f/1.8 Macro ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Tamron 20-40mm f/2.8 Di III VXD 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)
Tamron 20-40mm f/2.8 Di III VXD 85
vs 86 Canon RF 24mm f/1.8 Macro
Score breakdown
Tamron 20-40mm f/2.8 Di III VXD
85 sharpness 85
af 81
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 | Tamron 20-40mm f/2.8 Di III VXD | Canon RF 24mm f/1.8 Macro |
|---|
Tamron 20-40mm f/2.8 Di III VXD
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: Tamron 20-40mm f/2.8 Di III VXD vs Canon RF 24mm f/1.8 Macro
Which is better, Tamron 20-40mm f/2.8 Di III VXD or Canon RF 24mm f/1.8 Macro? +
Canon RF 24mm f/1.8 Macro scores 86 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Tamron 20-40mm f/2.8 Di III VXD worth the price? +
At $699, Tamron 20-40mm f/2.8 Di III VXD delivers a Specdex score of 85 — 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 Tamron 20-40mm f/2.8 Di III VXD 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.