Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Sigma Contemporary 16mm f/1.4 DC DN 16mm
What Buyers Say
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
The Tamron 17-70mm f/2.8 Di III-A VC RXD lens is widely praised for its sharpness, versatile zoom range, constant aperture, and effective stabilization, making it an excellent all-around lens for APS-C cameras. Users appreciate its solid build quality and value for money, though many note it is noticeably heavier and larger than typical kit lenses, which can feel unbalanced on smaller camera bodies. A few reviewers mention minor issues like chromatic aberration at the longer end and noise from the aperture blades at certain settings, but overall sentiment is very positive.
Pros
- sharp image quality across zoom range
- constant f/2.8 aperture
- effective image stabilization
- fast and quiet autofocus
- versatile 17-70mm focal range
Cons
- heavy and large for APS-C body
- chromatic aberration at 50-70mm
- aperture blade noise above f/5.6
- short zoom throw initially stiff
- no aperture ring on Fuji version
Sigma Contemporary 16mm f/1.4 DC DN 16mm
No customer feedback yet
Scores
Specifications
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Sigma Contemporary 16mm f/1.4 DC DN 16mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 16 mm |
| Focal Length Max | 70 mm | 16 mm |
| Elements | 16 | 16 |
| Groups | 12 | 13 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 5★ |
| Coating | Fluorine Coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Canon RF |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.08 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | RXD | stepping motor★ |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm | 130 mm★ |
| Max Magnification | 1:4.8★ | 0.1x |
Pros & Cons
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (90th percentile)90th %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
Sigma Contemporary 16mm f/1.4 DC DN 16mm
- Strong build (100th percentile)100th %ile
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong optical (95th percentile)95th %ile
- Below average versatility (34th percentile)
Pricing
Sigma Contemporary 16mm f/1.4 DC DN 16mm offers 1.9x better value for money
Verdict
Scores 97 overall, wins 4 of 9 usage categories and 3 of 21 specs.
