Pentax smc P-D FA smc DFA 50mm f/2.8 Macro 50mm
Sigma Contemporary 18-50mm f/2.8 DC DN
Scores
Specifications
| Pentax smc P-D FA smc DFA 50mm f/2.8 Macro 50mm | Sigma Contemporary 18-50mm f/2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | macro | zoom |
| Focal Length Min | 50 mm | 18 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 8 | 13 |
| Groups | 7 | 10 |
| Aspherical Elements | 0 | 3★ |
| ED Elements | 0 | 1★ |
| Coating | smc | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/32 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 8★ | 7 |
| Build | ||
| Mount | Pentax K | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.26 kg★ | 0.29 kg |
| Filter Thread | 49 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | stepping motor★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 150 mm | 121 mm★ |
| Max Magnification | 1:1 | 1:2.8 |
Pros & Cons
Pentax smc P-D FA smc DFA 50mm f/2.8 Macro 50mm
- Strong macro (90th percentile)90th %ile
- Strong build (79th percentile)
- Below average aperture (5th percentile)5th %ile
- Below average bokeh (5th percentile)5th %ile
- Below average social proof (10th percentile)10th %ile
- Below average versatility (34th percentile)
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
Verdict
Scores 98 overall, wins 9 of 9 usage categories and 5 of 21 specs.