Sigma Contemporary 18-50mm f/2.8 DC DN
Sony FE 28-70mm f/3.5-5.6 OSS II
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
Sony FE 28-70mm f/3.5-5.6 OSS II
The Sony FE 28-70mm F3.5-5.6 OSS kit lens is widely praised as an excellent value for money, offering surprisingly sharp images, silent autofocus, and a compact, lightweight build. Many users find it more than adequate for everyday photography, especially when stopped down, though it struggles in low light and exhibits softness at the wide end. A recurring complaint is significant flare and washed-out colors in bright conditions, and some feel it doesn't fully exploit the camera's sensor. Overall, it's seen as a great starter or travel lens, but not a replacement for higher-end optics.
Pros
- Excellent value for money
- Surprisingly sharp image quality
- Compact and lightweight design
- Silent and fast autofocus
- Dust and moisture resistant
Cons
- Soft corners at 28mm wide end
- Significant flare in bright light
- Washed-out colors in sunlight
- Slow aperture limits low-light use
- Not sharp enough for high-res sensors
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Sony FE 28-70mm f/3.5-5.6 OSS II | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 28 mm |
| Focal Length Max | 50 mm | 70 mm |
| Elements | 13 | 4 |
| Groups | 10 | 8 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | Multi-Layered Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/3.5 |
| Min Aperture | f/2.8 | 3.5-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.91 kg |
| Filter Thread | 55 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | linear motor★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm | 70 mm★ |
| Max Magnification | 1:2.8★ | 0.19x |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
Sony FE 28-70mm f/3.5-5.6 OSS II
- Strong af (98th percentile)98th %ile
- Strong stabilization (80th percentile)80th %ile
- Strong aperture (79th percentile)
- Strong bokeh (78th percentile)
- Below average social proof (12th percentile)12th %ile
- Below average user sentiment (16th percentile)16th %ile
Pricing
Verdict
Scores 99 overall, wins 9 of 9 usage categories and 3 of 21 specs.
