Sigma Art 17-40mm f/1.8 DC
Rokinon SP RK3512-FX 35mm
What Buyers Say
Sigma Art 17-40mm f/1.8 DC
The Sigma 17-40mm f/1.8 DC DN Art lens is overwhelmingly praised for its exceptional image quality, fast constant aperture, and compact internal zoom design. Users highlight its sharpness, lightweight build, and excellent autofocus performance, especially on crop-sensor mirrorless cameras like the Canon R7 and Fujifilm bodies. A few questions about compatibility with specific cameras and features like weather sealing and aperture ring are noted, but the overall sentiment is extremely positive.
Pros
- Exceptional image quality
- Fast constant f/1.8 aperture
- Compact internal zoom design
- Lightweight build
- Sharp and bright photos
Cons
- No weather sealing mentioned
- No manual aperture ring on some mounts
- Compatibility questions with full-frame cameras
- Expensive for some buyers
Rokinon SP RK3512-FX 35mm
User experiences with this lens are mixed. One reviewer praised it for being sharp and joyful on a Fujifilm camera, noting only minor chromatic aberration issues. Another found it a great value, while a third user was disappointed enough by the build quality to return it. Compatibility questions confirm it works with Sony E mount but not with Canon EF/EF-S DSLR cameras like the 60D.
Pros
- Sharp from f/1.4 onward
- Joyful to use
- Great value for the price
- Compatible with Sony E mount
Cons
- Chromatic aberration on backlit subjects
- Softer at f/1.2 compared to f/1.4
- Poor build quality reported
- Not compatible with Canon EF/EF-S DSLRs
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Rokinon SP RK3512-FX 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 35 mm |
| Focal Length Max | 40 mm | 35 mm |
| Elements | 17 | 9 |
| Groups | 11 | 7 |
| Aspherical Elements | 4★ | 2 |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | Ultra Multi-Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/16 |
| Min Aperture | f/1.8 | f/1.2 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Fujifilm X | Canon EF |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.54 kg | 0.42 kg★ |
| Filter Thread | 67 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 340 mm |
| Max Magnification | 1:4.8 | 1:5.9 |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong optical (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Below average stabilization (34th percentile)
Rokinon SP RK3512-FX 35mm
- Strong macro (65th percentile)
- Below average user sentiment (4th percentile)4th %ile
- Below average af (15th percentile)15th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Rokinon SP RK3512-FX 35mm offers 1.3x better value for money
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 5 of 21 specs.
