Sony FE 50mm f/1.4 GM
Prime/Zoom
Canon RF 50mm f/1.2L USM
Full-frame · 950 g · Pro portrait
Canon RF 50mm f/1.2L USM takes it — here’s why.
In our weighted Specdex score, Sony FE 50mm f/1.4 GM lands at 94 and Canon RF 50mm f/1.2L USM at 96. That puts Canon RF 50mm f/1.2L USM ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Sony FE 50mm f/1.4 GM if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Pick Canon RF 50mm f/1.2L USM if…
- ✓Breathtaking bokeh
- ✓Sharp wide open
- ✓Weather-sealed L build
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 94).
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
Sony FE 50mm f/1.4 GMSpecdex score per dollar at MSRP
Sony FE 50mm f/1.4 GM more score per dollar ($1,298 vs $2,299).
Score breakdown
Specs side-by-side
| Spec | Sony FE 50mm f/1.4 GM | Canon RF 50mm f/1.2L USM |
|---|---|---|
| Mount | — | Canon RF |
| Aperture | — | f/1.2 |
| Weight | — | 950 g |
| Filter size | — | 77 mm |
Sony FE 50mm f/1.4 GM
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
- −Mount-specific
- −Weight varies
- −Price scales with quality
Canon RF 50mm f/1.2L USM
- +Breathtaking bokeh
- +Sharp wide open
- +Weather-sealed L build
- −Heavy at 950 g
- −Expensive
- −Breathing present
FAQ: Sony FE 50mm f/1.4 GM vs Canon RF 50mm f/1.2L USM
Which is better, Sony FE 50mm f/1.4 GM or Canon RF 50mm f/1.2L USM? +
Canon RF 50mm f/1.2L USM scores 96 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Sony FE 50mm f/1.4 GM worth the price? +
At $1,298, Sony FE 50mm f/1.4 GM delivers a Specdex score of 94 — 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 Sony FE 50mm f/1.4 GM 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.
Which is better for sharpness, Sony FE 50mm f/1.4 GM or Canon RF 50mm f/1.2L USM? +
Canon RF 50mm f/1.2L USM — leads on sharpness (98 vs 94). Compared on the sharpness sub-score.
Which is better for autofocus, Sony FE 50mm f/1.4 GM or Canon RF 50mm f/1.2L USM? +
Canon RF 50mm f/1.2L USM — leads on af (94 vs 92). Compared on the autofocus sub-score.