Sigma Art 17-40mm f/1.8 DC
Samyang SY12M-N 12mm
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
Samyang SY12M-N 12mm
The Samyang 12mm f/2.8 Fisheye Lens receives overwhelmingly positive feedback from verified users, who praise its sharpness, color, and contrast. It is widely recommended for 360° virtual tours, creative fisheye effects, and landscape photography on full-frame Nikon cameras. The lens works with most Nikon DSLR and mirrorless bodies, though users note the protruding front element requires care. Some Q&A clarifications confirm manual focus and aperture ring settings for Nikon AE compatibility.
Pros
- Sharp edge-to-edge optics
- Excellent color and contrast
- Great for 360° virtual tours
- Versatile for creative fisheye effects
- Good build quality
Cons
- Protruding front element needs careful handling
- Manual focus and aperture ring required on some Nikon bodies
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Samyang SY12M-N 12mm | |
|---|---|---|
| Optics | ||
| Type | zoom | fisheye |
| Focal Length Min | 17 mm | 12 mm |
| Focal Length Max | 40 mm | 12 mm |
| Elements | 17 | 12 |
| Groups | 11 | 8 |
| Aspherical Elements | 4★ | 2 |
| ED Elements | 4★ | 3 |
| Coating | Super Multi-Layer Coating | Nano Coating System |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/2.8 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Nikon F |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.50 kg★ |
| Filter Thread | 67 mm | — |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm | 200 mm★ |
| Max Magnification | 1:4.8★ | — |
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)
Samyang SY12M-N 12mm
- Strong user sentiment (92nd percentile)92nd %ile
- Strong macro (81st percentile)81st %ile
- Strong optical (79th percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average af (15th percentile)15th %ile
- Below average aperture (22nd percentile)
- Below average build (29th percentile)
Verdict
Scores 97 overall, wins 9 of 9 usage categories and 6 of 21 specs.