Canon EF 14mm f/2.8L USM vs Sigma 14mm f/1.8 DG HSM Art
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sigma 14mm f/1.8 DG HSM Art is faster by 1.3 stops (f/1.8 vs f/2.8), letting in more light.
- Sigma 14mm f/1.8 DG HSM Art is the newer design (2017 vs 1991).
| Spec | EF 14mm f/2.8L USM | 14mm f/1.8 DG HSM Art |
|---|---|---|
| Brand | Canon | Sigma |
| Mount | Canon EF | Canon EF |
| Type | Prime | Prime |
| Focal length | 14mm | 14mm |
| Max aperture | f/2.8 | f/1.8 (faster) |
| Released | 1991 | 2017 |
| Blades | 5 | 9 |
| Format | full-frame | full-frame |
| Groups | 10 | 11 |
| Af motor | USM | HSM |
| Elements | 14 | 16 |
| Weight g | 560.0 | n/a |
| Length mm | 89.0 | 126.0 |
| Diameter mm | 77.0 | 95.4 |
| Min focus m | 0.25 (closer focusing) | 0.27 |
| Max magnification | 0.1 | 0.1 |
Canon EF 14mm f/2.8L USM
Canon's 1991 ultra-wide rectilinear prime, with a bulbous front element and a built-in hood. The Mark II replaced it in 2007.
Pros
- Very wide rectilinear view
- L-series build
- Fast USM focusing
- Low distortion for the angle
Cons
- Front filters cannot be fitted
- Softer corners wide open
- Large front element is easy to scratch
Sigma 14mm f/1.8 DG HSM Art
An ultra-wide f/1.8 prime for full-frame DSLRs. It is widely used for astrophotography.
Pros
- f/1.8 at 14mm
- Sharp
- Good coma control
Cons
- Bulbous front element
- Heavy at about 1,170 g