Viltrox AF 56/1.7 XF 56mm
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
What Buyers Say
Viltrox AF 56/1.7 XF 56mm
The Viltrox 56mm f/1.7 is widely praised for its exceptional sharpness, lightweight design, and outstanding value for money. Users consistently highlight its impressive image quality, with sharp details and pleasing bokeh, often comparing it favorably to much more expensive lenses. While the autofocus is generally reliable for portraits and stills, some users note it can be noisy and not as fast as native Fuji lenses. A few isolated concerns about dust ingress and the plastic build have been mentioned, but overall sentiment is overwhelmingly positive.
Pros
- Exceptional sharpness
- Lightweight and compact design
- Excellent value for money
- Pleasing bokeh
- Good low-light performance
Cons
- Noisy autofocus (some users)
- Autofocus slower than native lenses
- Plastic build
- Dust ingress reported
- No physical aperture ring
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
Scores
Specifications
| Viltrox AF 56/1.7 XF 56mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 56 mm | 17 mm |
| Focal Length Max | 56 mm | 70 mm |
| Elements | 11 | 16 |
| Groups | 9 | 12 |
| Aspherical Elements | — | 3★ |
| ED Elements | 4★ | 2 |
| Coating | high-definition nano-multilayer coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/16 | f/2.8 |
| Min Aperture | f/1.7 | f/2.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | — | ✓★ |
| Weight | 0.17 kg★ | 0.54 kg |
| Filter Thread | 52 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | RXD |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 550 mm | 190 mm★ |
| Max Magnification | 1:9.09 | 1:4.8 |
Pros & Cons
Viltrox AF 56/1.7 XF 56mm
- Strong build (88th percentile)88th %ile
- Strong af (86th percentile)86th %ile
- Strong social proof (81st percentile)81st %ile
- Strong optical (71st percentile)
- Below average versatility (34th percentile)
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
Pricing
Viltrox AF 56/1.7 XF 56mm offers 3.7x better value for money
Verdict
Scores 97 overall, wins 9 of 9 usage categories and 5 of 21 specs.
