Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS
What Buyers Say
Tamron Di III-A 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 16-300mm f/3.5-6.7 DC OS
No customer feedback yet
Scores
Specifications
| Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 16 mm |
| Focal Length Max | 70 mm | 300 mm |
| Elements | 16 | 20 |
| Groups | 12 | 14 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 2 | 5★ |
| Coating | Fluorine Coating | water- and oil-repellent coating |
| Aperture | ||
| Max Aperture | f/22 | f/3.5 |
| Min Aperture | f/2.8 | 3.5-6.7 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Nikon Z | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 0.61 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | RXD Stepping AF Motor | HLA |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 6 stops★ |
| Focus | ||
| Min Focus Distance | 70 mm★ | 170 mm |
| Max Magnification | 1:4.8 | 1:2 |
Pros & Cons
Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD
- Strong macro (94th percentile)94th %ile
- Strong optical (90th percentile)90th %ile
- Strong versatility (90th percentile)90th %ile
- Strong af (85th percentile)85th %ile
- Below average social proof (17th percentile)17th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS
- Strong versatility (100th percentile)100th %ile
- Strong optical (99th percentile)99th %ile
- Strong stabilization (99th percentile)99th %ile
- Strong bokeh (87th percentile)87th %ile
Verdict
Scores 98 overall, wins 9 of 9 usage categories and 3 of 22 specs.