Sigma Contemporary 18-50mm f/2.8 DC DN
Rokinon Prima Series RK35M-O 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
Rokinon Prima Series RK35M-O 35mm
Users are extremely satisfied with this lens, praising its build quality and image performance. It is noted as a significant upgrade over older Canon models, especially for astrophotography like capturing the Milky Way. The manual focus is a trade-off, but users find the results amazing when using live-view focusing.
Pros
- Excellent build quality
- Great for astrophotography
- Significant upgrade over older Canon lenses
- Amazing image results with live-view focusing
- Professional appearance
Cons
- Heavy weight
- Manual focus only
- Requires live-view focusing
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Rokinon Prima Series RK35M-O 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 35 mm |
| Focal Length Max | 50 mm | 35 mm |
| Elements | 13 | 12 |
| Groups | 10 | 10 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | UMC |
| 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 | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.66 kg |
| Filter Thread | 55 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 300 mm |
| Max Magnification | 1:2.8 | 1:5.55 |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
Rokinon Prima Series RK35M-O 35mm
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong user sentiment (86th percentile)86th %ile
- Strong social proof (77th percentile)
- Below average af (15th percentile)15th %ile
- Below average versatility (34th percentile)
Pricing
Verdict
Scores 99 overall, wins 9 of 9 usage categories and 4 of 21 specs.
