Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 Overall Score
vs
Pentax D FA 90mm f/2.8 ED AW SR 90mm
Pentax
54 Overall Score
Scores
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Pentax D FA 90mm f/2.8 ED AW SR 90mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 18 mm | 90 mm |
| Focal Length Max | 50 mm | 90 mm |
| Elements | 13 | 11 |
| Groups | 10 | 9 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | HD coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | PENTAX 645 AF2 |
| Format | APS-C★ | medium-format |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.04 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | Auto Focus |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 3.5 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 415 mm |
| Max Magnification | 1:2.8★ | 0.5X |
Pros & Cons
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
Pentax D FA 90mm f/2.8 ED AW SR 90mm
- Strong stabilization (91st percentile)91st %ile
- Strong bokeh (87th percentile)87th %ile
- Strong aperture (84th percentile)84th %ile
- Below average versatility (34th percentile)
Verdict
Winner: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 7 of 22 specs.