Sigma Contemporary 18-50mm f/2.8 DC DN
Yongnuo 50F1.8S DF 50mm
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
Yongnuo 50F1.8S DF 50mm
This 50mm f/1.8 lens is widely praised as an excellent value-for-money prime lens for beginners and hobbyists. Users highlight its sharp foreground focus and pleasing bokeh, making it ideal for portraits and product shots. The build quality feels cheap and the autofocus is noisy and slow, but most agree the optical performance far exceeds the low price. A few issues with durability and incompatibility with newer lens hoods were noted.
Pros
- Excellent value for money
- Sharp foreground focus
- Pleasing bokeh effect
- Great for portraits
- Lightweight and compact
Cons
- Noisy autofocus
- Slow autofocus
- Cheap build quality
- Durability concerns
- Incompatible with newer lens hoods
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Yongnuo 50F1.8S DF 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 13 | 10 |
| Groups | 10 | 6 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Nano-multilayer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg | 0.27 kg★ |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | Digital stepping motor |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 450 mm |
| Max Magnification | 1:2.8★ | 0.13x |
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
Yongnuo 50F1.8S DF 50mm
- Strong build (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
- Strong stabilization (80th percentile)80th %ile
- Below average social proof (25th percentile)
- Below average user sentiment (30th percentile)
- Below average macro (31st percentile)
- Below average versatility (34th percentile)
Pricing
Yongnuo 50F1.8S DF 50mm offers 2.4x better value for money
Verdict
Scores 98 overall, wins 9 of 9 usage categories and 3 of 21 specs.
