Sigma Art 20mm f/1.4 DG DN 20mm
Sigma
80 Overall Score
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
Tamron
97 Overall Score
Scores
Video Cinema
Budget
Macro
Professional
Portrait
Travel
Landscape
Street
Wildlife Sports
Specifications
| Sigma Art 20mm f/1.4 DG DN 20mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 20 mm | 17 mm |
| Focal Length Max | 20 mm | 70 mm |
| Elements | 17 | 16 |
| Groups | 15 | 12 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 2 | 2 |
| Coating | Super Multi-Layer Coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/1.4 | f/2.8 |
| Min Aperture | f/1.4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.64 kg | 0.54 kg★ |
| Filter Thread | 82 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | RXD |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 230 mm | 190 mm★ |
| Max Magnification | 1:6.1 | 1:4.8 |
Pros & Cons
Sigma Art 20mm f/1.4 DG DN 20mm
- Strong bokeh (98th percentile)98th %ile
- Strong aperture (96th percentile)96th %ile
- Strong optical (95th percentile)95th %ile
- Strong af (87th percentile)87th %ile
- Below average user sentiment (30th percentile)
- Below average versatility (34th percentile)
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
- Strong optical (91st percentile)91st %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong macro (86th percentile)86th %ile
Pricing
Sigma Art 20mm f/1.4 DG DN 20mm0.110score per dollar
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm0.162score per dollar
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm offers 1.5x better value for money
Verdict
Winner: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
Scores 97 overall, wins 6 of 9 usage categories and 3 of 21 specs.
