Sigma Contemporary 20mm f/2 DG 20mm
Sigma
74 Overall Score
vs
Pentax D FA 15-30mm f/2.8 ED SDM WR 30mm
Pentax
42 Overall Score
Scores
Macro
Portrait
Professional
Street
Video Cinema
Budget
Wildlife Sports
Landscape
Travel
Specifications
| Sigma Contemporary 20mm f/2 DG 20mm | Pentax D FA 15-30mm f/2.8 ED SDM WR 30mm | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | 20 mm | 15 mm |
| Focal Length Max | 20 mm | 30 mm |
| Elements | 13 | 18 |
| Groups | 11 | 13 |
| Aspherical Elements | 3★ | — |
| ED Elements | 2★ | — |
| Coating | Super Multi-Layer Coating, Nano Porous Coating (NPC) | Super Protect & HD Multi-Layer Coatings |
| Aperture | ||
| Max Aperture | f/2 | f/22 |
| Min Aperture | f/2 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | L-Mount | Pentax K |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.37 kg★ | 1.04 kg |
| Filter Thread | 62 mm | — |
| AF & Stabilization | ||
| AF Type | Autofocus | SDM |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 220 mm★ | 280 mm |
| Max Magnification | 1:6.67★ | 0.2x |
Pros & Cons
Sigma Contemporary 20mm f/2 DG 20mm
- Strong bokeh (92nd percentile)92nd %ile
- Strong aperture (90th percentile)90th %ile
- Strong optical (86th percentile)86th %ile
- Strong macro (81st percentile)81st %ile
- Below average social proof (29th percentile)
- Below average versatility (34th percentile)
Pentax D FA 15-30mm f/2.8 ED SDM WR 30mm
- Strong optical (80th percentile)80th %ile
- Strong versatility (72nd percentile)
- Below average build (14th percentile)14th %ile
- Below average aperture (20th percentile)20th %ile
- Below average bokeh (23rd percentile)
Pricing
Sigma Contemporary 20mm f/2 DG 20mm0.096score per dollar
vs
Pentax D FA 15-30mm f/2.8 ED SDM WR 30mm1.229score per dollar
Pentax D FA 15-30mm f/2.8 ED SDM WR 30mm offers 12.8x better value for money
Verdict
Winner: Sigma Contemporary 20mm f/2 DG 20mm
Scores 74 overall, wins 9 of 9 usage categories and 5 of 21 specs.
