Sigma Art 17-40mm f/1.8 DC
Canon RF 28-70mm F2 L USM Standard Zoom for EOS R-Series Cameras 70-28mm
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
Canon RF 28-70mm F2 L USM Standard Zoom for EOS R-Series Cameras 70-28mm
The Canon RF 28-70mm f/2 L USM is widely praised as the best zoom lens available, offering exceptional sharpness and light-gathering capability that rivals prime lenses. Users love its versatility, noting it can replace multiple primes like 35mm and 50mm, and produces stunning sunbursts and low-light images. The main drawback is its significant size and weight, along with expensive 95mm filters, but most find the performance worth the bulk.
Pros
- Exceptional sharpness wide open at f/2
- Versatile zoom replaces multiple prime lenses
- Beautiful sunbursts and low-light performance
- Fast autofocus and crisp images
- Reduces need to carry multiple lenses
Cons
- Heavy and bulky design
- Expensive 95mm filters required
- High price point
- Requires adjustment for wide-angle sharpness
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Canon RF 28-70mm F2 L USM Standard Zoom for EOS R-Series Cameras 70-28mm | |
|---|---|---|
| Optics | ||
| Type | zoom | standard-zoom |
| Focal Length Min | 17 mm | 70 mm |
| Focal Length Max | 40 mm | 28 mm |
| Elements | 17 | — |
| Groups | 11 | — |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/2 |
| Min Aperture | f/1.8 | f/2 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Canon RF |
| Format | APS-C★ | — |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | — |
| Filter Thread | 67 mm | 95 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | USM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 391 mm |
| Max Magnification | 1:4.8★ | — |
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)
Canon RF 28-70mm F2 L USM Standard Zoom for EOS R-Series Cameras 70-28mm
- Strong social proof (97th percentile)97th %ile
- Strong aperture (93rd percentile)93rd %ile
- Strong af (93rd percentile)93rd %ile
- Strong user sentiment (92nd percentile)92nd %ile
- Below average optical (18th percentile)18th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 7 of 21 specs.