Sigma Contemporary 10-18mm f/2.8 DC DN
Rokinon AS UMC IO35AF-E 35mm
What Buyers Say
Sigma Contemporary 10-18mm f/2.8 DC DN
The Sigma 10-18mm f/2.8 DC DN Contemporary lens is highly praised for its compact, lightweight design and sharp image quality, making it an excellent choice for travel and real estate photography on APS-C cameras. Users appreciate the fast f/2.8 aperture for low-light performance and pleasing background blur, though some note the lack of in-lens stabilization and the need for post-production correction of distortion and vignetting on certain camera systems.
Pros
- Compact and lightweight design
- Sharp image quality across frame
- Fast f/2.8 constant aperture
- Excellent for travel and landscapes
- Good low-light performance
Cons
- No in-lens image stabilization
- Distortion and vignetting need post-production correction
- Lacks aperture ring on some versions
- No USB dock for firmware updates
- In-camera focus stacking not supported on Canon R7
Rokinon AS UMC IO35AF-E 35mm
The Rokinon 35mm lenses receive generally positive feedback for their sharpness, compact size, and value for money, especially for travel and street photography. However, some users report issues with autofocus noise and hunting, particularly in video mode, and a few note build quality concerns. The f/1.4 version is praised for astrophotography but criticized for weight and softness wide open. Overall, it's a solid budget-friendly option with trade-offs in performance.
Pros
- Sharp image quality
- Compact and lightweight
- Great value for money
- Good for travel and street photography
- Fast aperture (f/1.4) for low light
Cons
- Noisy autofocus motor
- Autofocus hunts in video mode
- Build quality feels cheap
- Heavy for f/1.4 version
- Soft wide open at f/1.4
Scores
Specifications
| Sigma Contemporary 10-18mm f/2.8 DC DN | Rokinon AS UMC IO35AF-E 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 10 mm | 35 mm |
| Focal Length Max | 18 mm | 35 mm |
| Elements | 13 | 12 |
| Groups | 10 | 10 |
| Aspherical Elements | 1 | 1 |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | UMC Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7★ | 6 |
| Build | ||
| Mount | Sony E | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.26 kg | 0.09 kg★ |
| Filter Thread | 67 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 117 mm★ | 300 mm |
| Max Magnification | 1:4★ | 0.12x |
Pros & Cons
Sigma Contemporary 10-18mm f/2.8 DC DN
- Strong social proof (94th percentile)94th %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (88th percentile)88th %ile
- Strong build (87th percentile)87th %ile
- Below average stabilization (34th percentile)
Rokinon AS UMC IO35AF-E 35mm
- Strong build (97th percentile)97th %ile
- Strong social proof (86th percentile)86th %ile
- Strong optical (65th percentile)
- Below average bokeh (6th percentile)6th %ile
- Below average af (15th percentile)15th %ile
- Below average user sentiment (17th percentile)17th %ile
- Below average aperture (22nd percentile)
Pricing
Sigma Contemporary 10-18mm f/2.8 DC DN offers 1.5x better value for money
Verdict
Scores 94 overall, wins 9 of 9 usage categories and 6 of 21 specs.
