Sigma Contemporary 18-50mm f/2.8 DC DN
Viltrox 35mm f/1.7 XF 35mm
What Buyers Say
Sigma Contemporary 18-50mm f/2.8 DC DN
The Sigma 18-50mm f/2.8 DC DN Contemporary is widely praised as a compact, lightweight, and sharp standard zoom for APS-C mirrorless cameras. Users consistently highlight its excellent image quality, fast f/2.8 aperture, and affordable price as major strengths, making it a popular upgrade from kit lenses. Common criticisms include the lack of optical stabilization and a poorly designed lens hood, but overall sentiment is overwhelmingly positive.
Pros
- Excellent image sharpness
- Compact and lightweight design
- Fast f/2.8 constant aperture
- Great value for the price
- Fast and silent autofocus
Cons
- No optical image stabilization
- Poorly designed lens hood
- No weather sealing
- Plastic build quality
- Zoom ring direction opposite to Fujifilm
Viltrox 35mm f/1.7 XF 35mm
The Viltrox AF 35mm f/1.7 lens is widely loved for its sharp image quality, fast aperture, and surprisingly low price. Users praise its lightweight design, compact size, and quick autofocus, making it an excellent everyday walk-around lens. Some note autofocus can be noisier or slower than premium lenses, and a few report chromatic aberration in high-contrast scenes. A handful of complaints involve inconsistent packaging or compatibility misunderstandings, but the overall sentiment is overwhelmingly positive.
Pros
- Sharp image quality wide open
- Fast f/1.7 aperture for low light
- Lightweight and compact design
- Great value for the price
- Fast and accurate autofocus
Cons
- Autofocus noise in quiet environments
- Chromatic aberration in high contrast
- No weather sealing
- Slow autofocus in low light
- Missing aperture ring
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Viltrox 35mm f/1.7 XF 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 35 mm |
| Focal Length Max | 50 mm | 35 mm |
| Elements | 13 | 11 |
| Groups | 10 | 9 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | high-definition multi-layer coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.7 |
| Min Aperture | f/2.8 | f/1.7 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Fujifilm X |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.29 kg | 0.18 kg★ |
| Filter Thread | 55 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM (Stepping Motor)★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm | 35 mm★ |
| Max Magnification | 1:2.8 | 1:7.7 |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (86th percentile)86th %ile
Viltrox 35mm f/1.7 XF 35mm
- Strong macro (97th percentile)97th %ile
- Strong bokeh (96th percentile)96th %ile
- Strong aperture (95th percentile)95th %ile
- Strong build (87th percentile)87th %ile
- Below average versatility (34th percentile)
Verdict
Both products are closely matched - Sigma Contemporary 18-50mm f/2.8 DC DN wins 3 specs while Viltrox 35mm f/1.7 XF 35mm wins 5.