Sigma Contemporary 18-50mm f/2.8 DC DN
OM System M.Zuiko 20mm F1.4 PRO 20mm
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
OM System M.Zuiko 20mm F1.4 PRO 20mm
The OM System 20mm f/1.4 Pro lens is praised for its compact size, weather sealing, and fast f/1.4 aperture, making it a versatile walk-around lens for Micro Four Thirds users. However, some reviewers note purple fringing when shooting wide open into the sun and a lack of a manual focus clutch, which is a minor drawback for some. Overall, it delivers sharp images with good build quality, though a few expected even sharper performance at f/1.4.
Pros
- Compact and lightweight design
- Excellent weather sealing
- Fast f/1.4 aperture for low light
- Sharp image quality
- Fast and accurate autofocus
Cons
- Purple fringing wide open against sun
- No manual focus clutch
- Sharpness at f/1.4 not bitingly sharp
- Chromatic aberration issues noted
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | OM System M.Zuiko 20mm F1.4 PRO 20mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 20 mm |
| Focal Length Max | 50 mm | 20 mm |
| Elements | 13 | 10 |
| Groups | 10 | 9 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | ZERO coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Micro Four Thirds |
| Format | APS-C★ | micro-four-thirds |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.70 kg |
| Filter Thread | 55 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | MSC |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 249 mm |
| Max Magnification | 1:2.8 | 1:9 |
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
OM System M.Zuiko 20mm F1.4 PRO 20mm
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong stabilization (80th percentile)80th %ile
- Strong macro (78th percentile)
- Below average social proof (9th percentile)9th %ile
- Below average user sentiment (30th percentile)
- Below average versatility (34th percentile)
Pricing
Sigma Contemporary 18-50mm f/2.8 DC DN offers 1.7x better value for money
Verdict
Scores 99 overall, wins 9 of 9 usage categories and 5 of 21 specs.
