Pentax HD Pentax-D FA* 50mm f/1.4 SDM AW 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
- Sigma 50mm f/1.4 DG HSM Art is lighter by 95g.
| Spec | HD Pentax-D FA* 50mm f/1.4 SDM AW | 50mm f/1.4 DG HSM Art |
|---|---|---|
| Brand | Pentax | Sigma |
| Mount | Pentax K | Pentax K |
| Type | Prime | Prime |
| Focal length | 50mm | 50mm |
| Max aperture | f/1.4 | f/1.4 |
| Weight g | 910 | 815 (lighter) |
| Filter mm | 72 | 77 |
| Length mm | 106.0 | n/a |
| Diameter mm | 80.0 | n/a |
| Min focus m | 0.4 | 0.4 |
| Blades | n/a | 9 |
| Format | n/a | full-frame |
| Groups | n/a | 8 |
| Af motor | n/a | HSM |
| Elements | n/a | 13 |
| Max magnification | n/a | 0.18 |
Pentax HD Pentax-D FA* 50mm f/1.4 SDM AW
A premium full-frame 50mm f/1.4 from Pentax's Star series. It has SDM autofocus, an all-weather build and weighs about 910 g.
Pros
- f/1.4 aperture
- SDM autofocus
- All-weather build
- Pentax HD coating
Cons
- Heavy at about 910 g
- Large for a 50mm
Sigma 50mm f/1.4 DG HSM Art
This 50mm f/1.4 full-frame fast standard prime lens from Sigma fits Pentax K mount cameras, from the Sigma Art line with Hyper Sonic Motor autofocus. A wide-aperture standard prime from Sigma's Art line.