Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
97 Overall Score
vs
Viltrox Air AF 15mm f/1.7 Air 15mm
Viltrox
47 Overall Score
What Buyers Say
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
85 out of 100 high confidence 62 reviews
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
Image quality 27
Build quality 15
Weight and size 18
Value for money 14
Stabilization 12
Autofocus performance 11
Viltrox Air AF 15mm f/1.7 Air 15mm
No customer feedback yet
Scores
Video Cinema
Budget
Professional
Macro
Portrait
Travel
Landscape
Street
Wildlife Sports
Specifications
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Viltrox Air AF 15mm f/1.7 Air 15mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 15 mm |
| Focal Length Max | 70 mm | 15 mm |
| Elements | 16 | 12 |
| Groups | 12 | 10 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 3★ |
| Coating | Fluorine Coating | Front lens splash-resistance and anti-fouling coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.7 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Fujifilm X |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.18 kg★ |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | RXD | STM★ |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 230 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 (87th percentile)87th %ile
Viltrox Air AF 15mm f/1.7 Air 15mm
- Strong build (94th percentile)94th %ile
- Strong af (85th percentile)85th %ile
- Strong optical (81st percentile)81st %ile
- Below average versatility (33rd percentile)
- Below average macro (35th percentile)
Verdict
Winner: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Scores 97 overall, wins 9 of 9 usage categories and 4 of 21 specs.