Canon EF 50mm F1.2L USM vs Sigma 50mm f/1.4 DG HSM [A]
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
![Sigma 50mm f/1.4 DG HSM [A]](https://thumb.wikimedia.org/wikipedia/commons/thumb/b/b8/Sigma_50mm_F1.4_DG_HSM_-_A_%2814220123618%29.jpg/500px-Sigma_50mm_F1.4_DG_HSM_-_A_%2814220123618%29.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail)
Verdict at a glance
- Canon EF 50mm F1.2L USM is faster by 0.4 stops (f/1.2 vs f/1.4), letting in more light.
- Canon EF 50mm F1.2L USM is lighter by 225g.
| Spec | EF 50mm F1.2L USM | 50mm f/1.4 DG HSM [A] |
|---|---|---|
| Brand | Canon | Sigma |
| Mount | Canon EF | Canon EF |
| Type | Prime | Prime |
| Focal length | 50mm | 50mm |
| Max aperture | f/1.2 (faster) | f/1.4 |
| Released | 2007 | n/a |
| Blades | 8 | 9 |
| Format | full-frame | full-frame |
| Groups | 6 | 8 |
| Af motor | USM | HSM |
| Elements | 8 | 13 |
| Weight g | 590.0 (lighter) | 815 |
| Filter mm | 72 | 77 |
| Length mm | 65.5 | n/a |
| Diameter mm | 85.8 | n/a |
| Min focus m | 0.45 | 0.4 (closer focusing) |
| Max magnification | 0.15 | 0.18 |
Canon EF 50mm F1.2L USM
Canon's f/1.2 standard prime from the L line, with dust and moisture resistance and a ring USM motor. Built for shallow depth of field and low light on full-frame bodies.
Pros
- f/1.2 maximum aperture
- L-series dust and moisture resistance
- Strong subject separation
- Ring USM with manual override
Cons
- Large and heavy for a 50mm
- Soft toward the edges wide open
Sigma 50mm f/1.4 DG HSM [A]
A 50mm f/1.4 full-frame fast standard prime lens, the Sigma 50mm f/1.4 DG HSM [A] is designed for Canon EF mount bodies, with Hyper Sonic Motor autofocus. A wide-aperture standard prime from Sigma's Art line.