Sigma Art 17-40mm f/1.8 DC
Zeiss Aatma Prime 50mm T1.5 50mm
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
Zeiss Aatma Prime 50mm T1.5 50mm
The Zeiss 50mm f/1.5 Sonnar is a lens with legendary character, offering beautiful rendering and sharpness when stopped down, but it comes with a notable focus shift issue that requires compensation. Users praise its build quality, compact size, and value compared to Leica alternatives, though the focus shift and expensive hood are common complaints. It's a lens that demands patience but rewards with stunning portraits and a classic glow.
Pros
- Beautiful rendering wide open
- Very sharp when stopped down
- Solid build quality
- Compact size
- Great value for money
Cons
- Noticeable focus shift
- Expensive lens hood
- Focus shift requires compensation
- Not compatible with Contax IIIa
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Zeiss Aatma Prime 50mm T1.5 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 50 mm |
| Focal Length Max | 40 mm | 50 mm |
| Elements | 17 | 6 |
| Groups | 11 | 4 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | T* |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/1.5 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11 | 16★ |
| Build | ||
| Mount | Fujifilm X | ARRI PL |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg★ | 1.22 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★ | 460 mm |
| Max Magnification | 1:4.8★ | 0.0520833333 |
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)
Zeiss Aatma Prime 50mm T1.5 50mm
- Below average build (13th percentile)13th %ile
- Below average af (15th percentile)15th %ile
- Below average optical (18th percentile)18th %ile
- Below average aperture (22nd percentile)
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 6 of 21 specs.