Sigma Art 17-40mm f/1.8 DC
Tamron Di-II AF018C-700 18-250mm
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-II AF018C-700 18-250mm
The Tamron 18-250mm lens is praised as an excellent all-in-one travel lens offering outstanding sharpness and color for its range, especially when stopped down. Users highlight its lightweight design, near-macro capability, and good value compared to Canon alternatives. However, the lack of image stabilization is a notable drawback, causing blur in low-light or handheld telephoto shots, and some report zoom creep. Overall, it is recommended for amateurs who understand its limitations.
Pros
- Outstanding sharpness when stopped down
- Excellent all-in-one travel lens
- Lightweight and compact design
- Near-macro focusing capability
- Good value for money
Cons
- No image stabilization
- Zoom creep issue
- Vignetting visible in some shots
- Chromatic aberration/fringing
- Softness in corners at wide apertures
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Tamron Di-II AF018C-700 18-250mm | |
|---|---|---|
| Optics | ||
| Type | zoom | macro |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 250 mm |
| Elements | 17 | — |
| Groups | 11 | — |
| Aspherical Elements | 4★ | 1 |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | advanced multi-coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/18 |
| Min Aperture | f/1.8 | 3.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Canon AF |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.42 kg★ |
| Filter Thread | 67 mm | — |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | — |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 450 mm |
| Max Magnification | 1:4.8 | 1:3.5 |
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 Di-II AF018C-700 18-250mm
- Strong versatility (99th percentile)99th %ile
- Strong stabilization (79th percentile)
- Below average bokeh (21st percentile)
Pricing
Tamron Di-II AF018C-700 18-250mm offers 2.8x better value for money
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 6 of 21 specs.
