Canon RF 50mm f/1.2L USM
Full-frame · 950 g · Pro portrait
Tamron 28-75mm f/2.8 Di III VXD G2
Sony E · f/2.8 · 540g · $899
Canon RF 50mm f/1.2L USM takes it — here’s why.
In our weighted Specdex score, Canon RF 50mm f/1.2L USM lands at 96 and Tamron 28-75mm f/2.8 Di III VXD G2 at 91. That puts Canon RF 50mm f/1.2L USM ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Canon RF 50mm f/1.2L USM if…
- ✓Breathtaking bokeh
- ✓Sharp wide open
- ✓Weather-sealed L build
Pick Tamron 28-75mm f/2.8 Di III VXD G2 if…
- ✓540g — lightest f/2.8 24-70 alternative
- ✓Better than first-party G Master at $899
- ✓Quiet VXD AF motor
Winner by scenario
Derived from the sub-score breakdown · not a separate testSharpness
Canon RF 50mm f/1.2L USMCompared on the sharpness sub-score
Canon RF 50mm f/1.2L USM leads on sharpness (98 vs 92).
Autofocus
Canon RF 50mm f/1.2L USMCompared on the autofocus sub-score
Canon RF 50mm f/1.2L USM leads on af (94 vs 92).
Build
Canon RF 50mm f/1.2L USMCompared on the build sub-score
Canon RF 50mm f/1.2L USM leads on build (98 vs 88).
Value for money
Tamron 28-75mm f/2.8 Di III VXD G2Specdex score per dollar at MSRP
Tamron 28-75mm f/2.8 Di III VXD G2 more score per dollar ($899 vs $2,299).
Score breakdown
Specs side-by-side
| Spec | Canon RF 50mm f/1.2L USM | Tamron 28-75mm f/2.8 Di III VXD G2 |
|---|---|---|
| Mount | Canon RF | Sony E |
| Aperture | ▲ f/1.2 | f/2.8 |
| Weight | 950 g | ▲ 540 g |
| Filter size | 77 mm | — |
| Focal length | — | 28-75 mm |
| Construction | — | 17 elements / 15 groups |
| Min focus | — | 0.18 m |
| Filter | — | 67 mm |
Canon RF 50mm f/1.2L USM
- +Breathtaking bokeh
- +Sharp wide open
- +Weather-sealed L build
- −Heavy at 950 g
- −Expensive
- −Breathing present
Tamron 28-75mm f/2.8 Di III VXD G2
- +540g — lightest f/2.8 24-70 alternative
- +Better than first-party G Master at $899
- +Quiet VXD AF motor
- −28mm wide-end vs 24mm of Sony GM
- −No image stabilization
- −No fluorine front coating
FAQ: Canon RF 50mm f/1.2L USM vs Tamron 28-75mm f/2.8 Di III VXD G2
Which is better, Canon RF 50mm f/1.2L USM or Tamron 28-75mm f/2.8 Di III VXD G2? +
Canon RF 50mm f/1.2L USM scores 96 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.
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.
Is Tamron 28-75mm f/2.8 Di III VXD G2 worth the price? +
At $899, Tamron 28-75mm f/2.8 Di III VXD G2 delivers a Specdex score of 91 — strongest in value.
Does Canon RF 50mm f/1.2L USM or Tamron 28-75mm f/2.8 Di III VXD G2 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 sharpness, Canon RF 50mm f/1.2L USM or Tamron 28-75mm f/2.8 Di III VXD G2? +
Canon RF 50mm f/1.2L USM — leads on sharpness (98 vs 92). Compared on the sharpness sub-score.
Which is better for autofocus, Canon RF 50mm f/1.2L USM or Tamron 28-75mm f/2.8 Di III VXD G2? +
Canon RF 50mm f/1.2L USM — leads on af (94 vs 92). Compared on the autofocus sub-score.