Sony Carl Zeiss Planar T* 50mm F1.4 ZA SSM vs Sigma 50mm f/1.4 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
- Sony Carl Zeiss Planar T* 50mm F1.4 ZA SSM is lighter by 297g.
| Spec | Carl Zeiss Planar T* 50mm F1.4 ZA SSM | 50mm f/1.4 DG HSM Art |
|---|---|---|
| Brand | Sony | Sigma |
| Mount | Sony A | Sony A |
| Type | Prime | Prime |
| Focal length | 50mm | 50mm |
| Max aperture | f/1.4 | f/1.4 |
| Released | 2013 | n/a |
| Blades | 9 | 9 |
| Format | full-frame | full-frame |
| Groups | 5 | 8 |
| Af motor | SSM | HSM |
| Elements | 8 | 13 |
| Weight g | 518 (lighter) | 815 |
| Filter mm | 72 | 77 |
| Length mm | 71.5 | n/a |
| Min focus m | 0.45 | 0.4 (closer focusing) |
| Weather sealed | Yes | n/a |
| Max magnification | 0.14 | 0.18 |
Sony Carl Zeiss Planar T* 50mm F1.4 ZA SSM
A Zeiss-designed 50mm f/1.4 for A-mount with a ring-type SSM autofocus motor. It is listed in its specifications as dust and moisture resistant and takes 72mm filters.
Pros
- Fast f/1.4 aperture
- SSM autofocus with manual override
- Dust and moisture resistant build
- 9-bladed aperture
Cons
- Large and heavy for a 50mm at about 518 g
- Large and heavy compared with a 50mm f/1.8
Sigma 50mm f/1.4 DG HSM Art
A very sharp 50mm f/1.4 for full-frame DSLRs, weighing about 815 g with 77mm filters. It focuses as close as 0.4 m.
Pros
- Sharp at f/1.4
- HSM autofocus
- Close focus of 0.4 m
- 9-bladed aperture
Cons
- Heavy at about 815 g
- Large for a 50mm
- No stabilization