Sigma Art 17-40mm f/1.8 DC
Tamron SP AFA005S-700 70-300mm
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 SP AFA005S-700 70-300mm
Reviewers overwhelmingly praise the Tamron 70-300mm lens for its excellent value for money, delivering sharp images and solid build quality at a fraction of the cost of brand-name alternatives. Many users highlight its impressive performance for wildlife and bird photography, although some note that the autofocus can be slow in low light and there are occasional issues with chromatic aberration. While a few mention the lack of image stabilization on certain models, most find it manageable with steady hands or a tripod.
Pros
- Excellent value for money
- Sharp image quality throughout zoom range
- Solid build and sturdy construction
- Good for wildlife and bird photography
- Effective vibration compensation (VC)
Cons
- Slow autofocus in low light
- Occasional chromatic aberration (purple/green fringing)
- No vibration reduction on some models
- Autofocus can hunt and struggle on small subjects
- Zoom ring not always smooth
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Tamron SP AFA005S-700 70-300mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 17 mm | 70 mm |
| Focal Length Max | 40 mm | 300 mm |
| Elements | 17 | 13 |
| Groups | 11 | 9 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | 2 |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/32 |
| Min Aperture | f/1.8 | 4.0-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Fujifilm X | Sony A |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg★ | 0.77 kg |
| Filter Thread | 67 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | Autofocus |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 950 mm |
| Max Magnification | 1:4.8 | 1:2 |
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)
Tamron SP AFA005S-700 70-300mm
- Strong versatility (91st percentile)91st %ile
- Strong social proof (81st percentile)81st %ile
- Strong stabilization (79th percentile)
- Strong user sentiment (66th percentile)
- Below average aperture (5th percentile)5th %ile
- Below average bokeh (8th percentile)8th %ile
- Below average build (23rd percentile)
Verdict
Scores 97 overall, wins 9 of 9 usage categories and 7 of 21 specs.