Canon EF 50mm F1.8 II 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
- Sigma 50mm f/1.4 DG HSM [A] is faster by 0.7 stops (f/1.4 vs f/1.8), letting in more light.
- Canon EF 50mm F1.8 II is lighter by 685g.
| Spec | EF 50mm F1.8 II | 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/1.8 | f/1.4 (faster) |
| Released | 1990 | n/a |
| Blades | 5 | 9 |
| Format | full-frame | full-frame |
| Groups | 5 | 8 |
| Elements | 6 | 13 |
| Weight g | 130.0 (lighter) | 815 |
| Filter mm | 52 | 77 |
| Length mm | 41.0 | n/a |
| Diameter mm | 68.2 | n/a |
| Min focus m | 0.45 | 0.4 (closer focusing) |
| Max magnification | 0.15 | 0.18 |
| Af motor | n/a | HSM |
Canon EF 50mm F1.8 II
The 1990 version of Canon's 50mm f/1.8 for EF mount: tiny and light, with a plastic mount and a basic micro motor. It fits any EF-mount body.
Pros
- Very light and small
- f/1.8 aperture
- Sharp enough once stopped down
Cons
- Plastic mount and build
- Autofocus is slow and audible
- No full-time manual focus override
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.