Canon EF 16-35mm f/4L IS USM
Sigma Art 17-40mm f/1.8 DC
What Buyers Say
Canon EF 16-35mm f/4L IS USM
The Canon EF 16-35mm f/4L IS USM is widely praised for its sharpness, solid build, and value compared to the f/2.8 version, making it a favorite for landscape and real estate photography. Users highlight the effective image stabilization and good performance on both DSLR and mirrorless bodies with an adapter. However, some find it heavy, not ideal for low-light indoor events without a tripod, and occasionally note quality control issues with refurbished units. Overall, it delivers excellent ultra-wide-angle results for its price point.
Pros
- Very sharp edge-to-edge
- Excellent image stabilization (4 stops)
- Great value vs. f/2.8 version
- Solid build quality
- Works on full-frame and APS-C
Cons
- Heavier than ideal
- Not fast enough for low-light indoor events
- Fringing/distortion without software correction
- Occasional quality control issues on refurbished
- Hood latch can accidentally release
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
Scores
Specifications
| Canon EF 16-35mm f/4L IS USM | Sigma Art 17-40mm f/1.8 DC | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 16 mm | 17 mm |
| Focal Length Max | 35 mm | 40 mm |
| Elements | 16 | 17 |
| Groups | 12 | 11 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 2 | 4★ |
| Coating | Super Spectra coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/1.8 |
| Min Aperture | f/4 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 11★ |
| Build | ||
| Mount | Canon EF | Fujifilm X |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.61 kg | 0.54 kg★ |
| Filter Thread | 77 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | USM★ | HLA (High-response Linear Actuator) |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 4 stops★ | — |
| Focus | ||
| Min Focus Distance | 280 mm | 280 mm |
| Max Magnification | 0.23x | 1:4.8★ |
Pros & Cons
Canon EF 16-35mm f/4L IS USM
- Strong social proof (94th percentile)94th %ile
- Strong af (93rd percentile)93rd %ile
- Strong stabilization (92nd percentile)92nd %ile
- Strong optical (91st percentile)91st %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
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)
Pricing
Sigma Art 17-40mm f/1.8 DC offers 1.7x better value for money
Verdict
Scores 97 overall, wins 7 of 9 usage categories and 5 of 22 specs.
