Sigma Art 17-40mm f/1.8 DC
Tamron All-In-One Zoom AFB028N700 18-400mm
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 All-In-One Zoom AFB028N700 18-400mm
The Tamron 18-400mm lens is widely praised for its incredible zoom range and versatility, making it an ideal all-in-one travel lens. Users highlight its sharpness, quiet autofocus, and close-focus capability, though some note minor compromises like weak image stabilization at long focal lengths and chromatic aberration at 400mm. Overall, it is seen as a fantastic value for those prioritizing convenience over absolute optical perfection.
Pros
- Incredible 18-400mm zoom range
- Excellent sharpness across focal lengths
- Quiet and fast autofocus
- Versatile all-in-one travel lens
- Good close-focus / macro capability
Cons
- Weak image stabilization at 300mm+
- Chromatic aberration at 400mm
- Slow aperture (slow lens)
- Minor distortion at edges
- Tripod collar cannot be mounted without affecting zoom
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Tamron All-In-One Zoom AFB028N700 18-400mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 400 mm |
| Elements | 17 | — |
| Groups | 11 | — |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/3.5 |
| Min Aperture | f/1.8 | 3.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Nikon F |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 0.70 kg |
| Filter Thread | 67 mm | 79 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | HLD |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm | 79 mm★ |
| Max Magnification | 1:4.8 | 1:2.9 |
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 All-In-One Zoom AFB028N700 18-400mm
- Strong versatility (100th percentile)100th %ile
- Strong macro (92nd percentile)92nd %ile
- Strong aperture (83rd percentile)83rd %ile
- Strong user sentiment (82nd percentile)82nd %ile
- Below average optical (18th percentile)18th %ile
Pricing
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 5 of 21 specs.
