Sigma Contemporary 10-18mm f/2.8 DC DN
Rokinon AF 50mm f/1.4 50mm
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 AF 50mm f/1.4 50mm
The Rokinon 50mm f/1.4 lens receives generally positive feedback for its excellent value, sharp optics, and solid build quality, especially for astrophotography and low-light use. However, many users note that the autofocus can be inconsistent and unreliable for fast-moving subjects, and some copies have decentering issues. The lens is fully manual on certain mounts, which is a key consideration for buyers.
Pros
- Excellent value for money
- Sharp optics for the price
- Solid all-metal build quality
- Great for astrophotography
- Good low-light performance at f/1.4
Cons
- Inconsistent autofocus performance
- Autofocus unreliable for fast-moving subjects
- Some copies have decentering issues
- Soft corners at f/1.4
- Fully manual on certain mounts
Scores
Specifications
| Sigma Contemporary 10-18mm f/2.8 DC DN | Rokinon AF 50mm f/1.4 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 10 mm | 50 mm |
| Focal Length Max | 18 mm | 50 mm |
| Elements | 13 | 9 |
| Groups | 10 | 6 |
| Aspherical Elements | 1 | 2★ |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | Ultra Multi-Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 8★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.26 kg★ | 0.42 kg |
| Filter Thread | 67 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 117 mm★ | 450 mm |
| Max Magnification | 1:4 | 1:6.25 |
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 (35th percentile)
Rokinon AF 50mm f/1.4 50mm
- Strong aperture (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong build (76th percentile)
- Below average af (15th percentile)15th %ile
- Below average user sentiment (32nd percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (35th percentile)
Pricing
Rokinon AF 50mm f/1.4 50mm offers 3.0x better value for money
Verdict
Scores 94 overall, wins 9 of 9 usage categories and 3 of 21 specs.
