Tamron
Tamron 70-180mm f/2.8 Di III VC VXD G2
Prime/Zoom
90
/ 100
From $1,299
VS
Canon RF 50mm f/1.2L USM wins by 6
Canon
Canon RF 50mm f/1.2L USM
Prime/Zoom
96
/ 100
From $2,299
Specdex verdict
Canon RF 50mm f/1.2L USM takes it — here’s why.
In our weighted Specdex score, Tamron 70-180mm f/2.8 Di III VC VXD G2 lands at 90 and Canon RF 50mm f/1.2L USM at 96. That puts Canon RF 50mm f/1.2L USM ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Tamron 70-180mm f/2.8 Di III VC VXD G2 if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Pick Canon RF 50mm f/1.2L USM if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Tamron 70-180mm f/2.8 Di III VC VXD G2 90
vs 96 Canon RF 50mm f/1.2L USM
Score breakdown
Tamron 70-180mm f/2.8 Di III VC VXD G2
90 sharpness 90
af 88
build 88
value 85
Canon RF 50mm f/1.2L USM
96 sharpness 96
af 95
build 94
value 84
Specs side-by-side
| Spec | Tamron 70-180mm f/2.8 Di III VC VXD G2 | Canon RF 50mm f/1.2L USM |
|---|
Tamron 70-180mm f/2.8 Di III VC VXD G2
Pros
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
Cons
- −Mount-specific
- −Weight varies
- −Price scales with quality
Canon RF 50mm f/1.2L USM
Pros
- +Fast autofocus
- +Weather-sealed
- +Premium optics
Cons
- −Heavy
- −Expensive
- −Focus breathing varies
FAQ: Tamron 70-180mm f/2.8 Di III VC VXD G2 vs Canon RF 50mm f/1.2L USM
Which is better, Tamron 70-180mm f/2.8 Di III VC VXD G2 or Canon RF 50mm f/1.2L USM? +
Canon RF 50mm f/1.2L USM scores 96 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.
Is Tamron 70-180mm f/2.8 Di III VC VXD G2 worth the price? +
At $1,299, Tamron 70-180mm f/2.8 Di III VC VXD G2 delivers a Specdex score of 90 — strongest in sharpness.
Is Canon RF 50mm f/1.2L USM worth the price? +
At $2,299, Canon RF 50mm f/1.2L USM delivers a Specdex score of 96 — strongest in sharpness.
Does Tamron 70-180mm f/2.8 Di III VC VXD G2 or Canon RF 50mm f/1.2L 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.