Sigma Art 17-40mm f/1.8 DC
Leica Super Elmar-M 11145 21mm
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
Leica Super Elmar-M 11145 21mm
The Leica 21mm f/3.4 Super-Elmar-M lens receives high praise for its exceptional sharpness, contrast, and compact build quality. Users highlight its superb optics and minimal distortion, making it ideal for travel and street photography. However, the lack of an included viewfinder and the need for an external finder on M bodies is a noted drawback.
Pros
- Exceptional sharpness
- Excellent contrast
- Compact and lightweight build
- Top-notch build quality
- Minimal distortion
Cons
- Viewfinder not included
- Requires external viewfinder on M bodies
- High price point
- Limited compatibility with non-Leica cameras
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Leica Super Elmar-M 11145 21mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 21 mm |
| Focal Length Max | 40 mm | 21 mm |
| Elements | 17 | 6 |
| Groups | 11 | 4 |
| Aspherical Elements | 4★ | 1 |
| ED Elements | 4 | 4 |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/16 |
| Min Aperture | f/1.8 | f/3.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11 | 11 |
| Build | ||
| Mount | Fujifilm X | Leica M |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.33 kg★ |
| Filter Thread | 67 mm | 46 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 700 mm |
| Max Magnification | 1:4.8★ | 0.0010347222 |
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)
Leica Super Elmar-M 11145 21mm
- Strong build (71st percentile)
- Strong user sentiment (66th percentile)
- Below average macro (12th percentile)12th %ile
- Below average af (15th percentile)15th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Verdict
Scores 97 overall, wins 9 of 9 usage categories and 4 of 21 specs.