Sigma 50/1,4 DG HSM Art (Canon) vs Sigma 40mm f/1.4 DG HSM Art (Sony E Mount)
Sigma 50/1,4 DG HSM Art (Canon) vs Sigma 40mm f/1.4 DG HSM Art (Sony E Mount)
When comparing Sigma 40mm f/1.4 DG HSM Art (Sony E Mount) and Sigma 50/1,4 DG HSM Art (Canon), which one is better?
1. Lens Mount Comparison
The lenses each feature different lens mounts — the Sigma 50/1,4 DG HSM Art (Canon) features a Canon EF while the Sigma 40mm f/1.4 DG HSM Art - (Sony E Mount) features a Sony E — and because of this the preference varies. If you have a compatible camera, then of course that lens will be a better choice for you.
Winner: Tied — It depends on your gear
Regarding lens mount: Popular lens mounts are Canon RF and EF, Micro Four Thirds and Nikon Z. Different lens mounts lets you connect different lenses to camera bodies, but some might not be compatible. This can be helped by using an adapter, like a Canon EF to RF adapter.
2. Anamorphic Comparison
Neither Sigma 40mm f/1.4 DG HSM Art - (Sony E Mount) or Sigma 50/1,4 DG HSM Art (Canon) are anamorphic lenses.
Winner: Tied — Neither have this feature
Regarding anamorphic: Anamorphic lenses are usually used on cinema cameras and squeezes the image when its recorded, which gives the final, stretched out, image oval bokeh and a different angle of view. The most common lenses, however, are not anamorphic but spherical, which gives a spherical bokeh and is a much cheaper lens design.
Specifications
Full specifications table of Sigma 50/1,4 DG HSM Art (Canon) and Sigma 40mm f/1.4 DG HSM Art (Sony E Mount):
| Sigma 50/1,4 DG HSM Art (Canon) | Sigma 40mm f/1.4 DG HSM Art - (Sony E Mount) | |
 |  | |
| Brand | Sigma | Sigma |
| Weight | Missing | 1200 g |
| Lens Mount | Canon EF | Sony E |
| Focal Length | Missing | 40 mm |
| Largest Aperture | Missing | 1.4 |
| Anamorphic | No | No |
| Minimum Focus Distance | Missing | 40 cm |
| Type | Missing | Prime |
| Aperture Range | Missing | 1.4 - 16 |
| Filter Thread Diameter | Missing | 82 |
| Aperture Blades | Missing | 9 |
| Lens Groups | Missing | 12 |
| Lens Elements | Missing | 16 |
| Image Stabilization | Missing | No |
| Autofocus | Missing | Evet |
| Macro | Missing | No |
| Weather Seal | Missing | Yes |
| Full Frame Coverage | Missing | Yes |
| Lens Hood Included | Missing | Yes |