Sigma Art 17-40mm f/1.8 DC
Tamron B008S 18-270mm
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
Tamron B008S 18-270mm
The Tamron 18-270mm lens is widely praised as a versatile all-in-one travel lens, offering good image stabilization and fast autofocus at a reasonable price. Users appreciate its compact size and lightweight build, though some note that the 270mm reach offers less visual difference than expected compared to 200mm. A few concerns include compatibility issues with certain Sony camera models and slightly darker images compared to OEM lenses.
Pros
- Versatile all-in-one zoom range
- Effective vibration control
- Fast and responsive autofocus
- Compact and lightweight design
- Good value for money
Cons
- 270mm reach less impressive than expected
- Compatibility issues with some Sony cameras
- Slightly darker images than OEM lenses
- Zoom creep in middle range
- VC draws more battery power
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Tamron B008S 18-270mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 270 mm |
| Elements | 17 | 16 |
| Groups | 11 | 13 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | 22-40★ |
| Min Aperture | f/1.8 | 3.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Sony/Minolta Alpha DT |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.45 kg★ |
| Filter Thread | 67 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | Autofocus |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 490 mm |
| Max Magnification | 1:4.8 | 1:3.8 |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (99th percentile)99th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong optical (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Below average stabilization (34th percentile)
Tamron B008S 18-270mm
- Strong versatility (99th percentile)99th %ile
- Strong stabilization (79th percentile)
- Strong social proof (71st percentile)
- Strong optical (66th percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 6 of 21 specs.