Sony
Sony FE 50mm f/1.4 GM
GM Series · Compact · Aperture ring
96
/ 100
From $1,298
VS
Canon
Canon RF 50mm f/1.2L USM
Full-frame · 950 g · Pro portrait
96
/ 100
From $2,299
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Sony FE 50mm f/1.4 GM lands at 96 and Canon RF 50mm f/1.2L USM at 96. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Sony FE 50mm f/1.4 GM if…
- ✓Best 50mm AF lens for Sony E-mount
- ✓Compact for f/1.4 GM glass
- ✓Click-able aperture ring
Pick Canon RF 50mm f/1.2L USM if…
- ✓Breathtaking bokeh
- ✓Sharp wide open
- ✓Weather-sealed L build
Sony FE 50mm f/1.4 GM 96
vs 96 Canon RF 50mm f/1.2L USM
Score breakdown
Sony FE 50mm f/1.4 GM
96 sharpness 98
af 98
build 96
bokeh 96
value 84
Canon RF 50mm f/1.2L USM
96 sharpness 98
af 94
build 98
bokeh 0
value 82
Specs side-by-side
| Spec | Sony FE 50mm f/1.4 GM | Canon RF 50mm f/1.2L USM |
|---|---|---|
| Mount | Sony E | Canon RF |
| Focal length | 50 mm | — |
| Aperture | f/1.4 to f/16 | ▲ f/1.2 |
| Construction | 14 elements / 11 groups | — |
| Min focus | 0.41 m | — |
| Filter | 67 mm | — |
| Weight | ▲ 516 g | 950 g |
| Filter size | — | 77 mm |
Sony FE 50mm f/1.4 GM
Pros
- +Best 50mm AF lens for Sony E-mount
- +Compact for f/1.4 GM glass
- +Click-able aperture ring
Cons
- −Premium pricing
- −No image stabilization (relies on IBIS)
- −No filter included
Canon RF 50mm f/1.2L USM
Pros
- +Breathtaking bokeh
- +Sharp wide open
- +Weather-sealed L build
Cons
- −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? +
Both score 96 on our weighted rubric — tied. 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 96 — 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.