Sigma Art 17-40mm f/1.8 DC
Tamron Di III 150-500mm f/5-6.7 Di III VC VXD
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 Di III 150-500mm f/5-6.7 Di III VC VXD
The Tamron 150-500mm lens is widely praised for its sharpness, fast autofocus, and excellent value compared to native telephoto zooms. Many users appreciate the extra reach and image quality, though the weight is a common concern, especially for handheld use. Some reviewers note trade-offs in low-light performance and stabilization, and a few report compatibility issues with teleconverters or defective copies.
Pros
- Excellent sharpness
- Fast and accurate autofocus
- Great value for money
- Extra reach over 100-400mm
- Effective image stabilization (VC)
Cons
- Heavy for handheld use
- Average low-light performance
- Stabilization not as good as native lenses
- No teleconverter compatibility
- Some copies may be defective
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Tamron Di III 150-500mm f/5-6.7 Di III VC VXD | |
|---|---|---|
| Optics | ||
| Type | zoom | super-telephoto |
| Focal Length Min | 17 mm | 150 mm |
| Focal Length Max | 40 mm | 500 mm |
| Elements | 17 | 25 |
| Groups | 11 | 16 |
| Aspherical Elements | 4★ | 1 |
| ED Elements | 4 | 5★ |
| Coating | Super Multi-Layer Coating | fluorine-coated front element |
| Aperture | ||
| Max Aperture | f/1.8 | f/5 |
| Min Aperture | f/1.8 | 5-6.7 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 1.73 kg |
| Filter Thread | 67 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | VXD linear motor★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 500 mm |
| Max Magnification | 1:4.8 | 1:3.1 |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (94th percentile)94th %ile
- Below average stabilization (35th percentile)
Tamron Di III 150-500mm f/5-6.7 Di III VC VXD
- Strong optical (99th percentile)99th %ile
- Strong af (98th percentile)98th %ile
- Strong versatility (84th percentile)84th %ile
- Strong stabilization (80th percentile)80th %ile
- Below average build (15th percentile)15th %ile
- Below average social proof (25th percentile)
- Below average user sentiment (30th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC offers 1.3x better value for money
Verdict
Scores 92 overall, wins 8 of 9 usage categories and 5 of 21 specs.
