Pentax smc FA 50mm F1.4 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
- Pentax smc FA 50mm F1.4 is lighter by 595g.
| Spec | smc FA 50mm F1.4 | 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 | 220 (lighter) | 815 |
| Filter mm | 49 | 77 |
| Length mm | 38.0 | n/a |
| Diameter mm | 64.0 | n/a |
| Min focus m | 0.45 | 0.4 (closer focusing) |
| 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 smc FA 50mm F1.4
A compact 50mm f/1.4 for Pentax K-mount that covers full frame. It weighs about 220 g and takes 49mm filters.
Pros
- f/1.4 aperture
- Light at about 220 g
- Full-frame coverage
- 49mm filters
Cons
- Soft wide open
- Screw-drive autofocus
- Not weather sealed
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.