Sigma EX DC HSM 10-20mm f/3.5 EX DC HSM 20mm
Canon L-series EF 70-200mm f/4L USM
What Buyers Say
Sigma EX DC HSM 10-20mm f/3.5 EX DC HSM 20mm
The Sigma 10-20mm f/3.5 is widely praised as an excellent value ultra-wide-angle lens, delivering sharp images and solid build quality for its price. Users highlight its versatility for landscapes, architecture, and astrophotography, though some note corner softness, distortion, and occasional slow autofocus. Overall, it is a highly recommended choice for those seeking an affordable wide-angle option.
Pros
- Excellent value for money
- Sharp image quality
- Solid build quality
- Versatile for landscapes and architecture
- Fast aperture f/3.5
Cons
- Corner softness at wide apertures
- Noticeable distortion at 10mm
- Chromatic aberration in corners
- Slow autofocus in some conditions
- No image stabilization
Canon L-series EF 70-200mm f/4L USM
The Canon EF 70-200mm f/4L IS II USM is widely praised for its exceptional sharpness, lightweight design, and effective image stabilization. Users consistently highlight the lens's superb image quality, fast autofocus, and excellent value compared to the heavier f/2.8 version. A few criticisms include the lack of an included tripod collar and some reports of IS noise or autofocus issues in low light. Overall, it is considered a top-tier telephoto zoom for enthusiasts and professionals who prioritize portability.
Pros
- Exceptional sharpness across zoom range
- Lightweight and portable design
- Effective 5-stop image stabilization
- Fast and accurate autofocus
- Excellent image quality and color
Cons
- Tripod collar not included
- IS noise in some units
- Autofocus issues in low light
- No teleconverter compatibility
- High price point
Scores
Specifications
| Sigma EX DC HSM 10-20mm f/3.5 EX DC HSM 20mm | Canon L-series EF 70-200mm f/4L USM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 10 mm | 70 mm |
| Focal Length Max | 20 mm | 200 mm |
| Elements | 13 | 16 |
| Groups | 10 | 13 |
| Aspherical Elements | 4★ | 0 |
| ED Elements | 3★ | 2 |
| Coating | Super Multi-Layer Coating | Fluorite element |
| Aperture | ||
| Max Aperture | f/22 | f/4 |
| Min Aperture | f/3.5 | f/4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Nikon F | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | — | ✓★ |
| Weight | 0.52 kg★ | 0.71 kg |
| Filter Thread | 82 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | HSM | ring-type USM★ |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | — | 5 stops★ |
| Focus | ||
| Min Focus Distance | 240 mm★ | 1.19 m |
| Max Magnification | 0.15x | 0.28x★ |
Pros & Cons
Sigma EX DC HSM 10-20mm f/3.5 EX DC HSM 20mm
- Strong optical (90th percentile)90th %ile
- Strong social proof (86th percentile)86th %ile
- Strong stabilization (81st percentile)81st %ile
- Strong versatility (72nd percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
Canon L-series EF 70-200mm f/4L USM
- Strong af (93rd percentile)93rd %ile
- Strong social proof (91st percentile)91st %ile
- Strong optical (82nd percentile)82nd %ile
- Strong bokeh (81st percentile)81st %ile
- Below average macro (31st percentile)
Verdict
Scores 83 overall, wins 8 of 9 usage categories and 6 of 22 specs.