Photo: Jacek Halicki (CC BY-SA 4.0)
Quick answer
A wide-angle zoom for APS-C DSLRs with a constant f/3.5 aperture. It weighs about 520 g and takes 82mm filters.
Pros
- Constant f/3.5
- HSM autofocus
- Takes 82mm screw-in filters
- Close focus 0.24 m
Cons
- APS-C only
- Older design
- Not stabilized
Verdict
A classic wide zoom for crop bodies.
About this lens
This 10-20mm f/3.5 APS-C wide-angle zoom lens from Sigma fits Canon EF mount cameras, with Hyper Sonic Motor autofocus. It covers wide angles for landscapes, interiors and architecture.
Sigma 10-20mm f/3.5 EX DC HSM specifications
- Brand
- Sigma
- Mount
- Canon EF
- Focal length
- 10-20mm
- Maximum aperture
- f/3.5
- Lens type
- Wide Zoom
- Format coverage
- aps-c
- Optical construction
- 13 elements in 10 groups
- Aperture blades
- 7
- Autofocus motor
- HSM
- Minimum focus distance
- 0.24 m
- Maximum magnification
- 0.15x
- Filter thread
- 82 mm
- Weight
- 520 g
- Length
- 88.2 mm
- Diameter
- 87.3 mm
Specification source: sigmaphoto.com
What can you shoot with the Sigma 10-20mm f/3.5 EX DC HSM?
- Landscapes on APS-C
- Architecture
- Interiors
Its moderate maximum aperture works best in good light or with a higher ISO.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| APS-C | 1.6x | 16–32mm | 58.7–96.7° | 68.1–107° |
Frequently asked questions
Does the Sigma 10-20mm f/3.5 EX DC HSM have stabilization?
No. Stabilization has to come from the camera body if it offers it; otherwise use a faster shutter speed or a tripod.
Can the Sigma 10-20mm f/3.5 take front filters?
Yes, it takes 82mm screw-in filters, though vignetting can appear with thick filters at 10mm.
How close can it focus?
Minimum focus is 0.24 m, with a maximum magnification of 0.15x. That is close enough to place a foreground subject against a wide background.
Alternatives for Canon EF from other brands
All Canon EF lensesSame mount, overlapping focal range, closest maximum aperture first.
More Sigma lenses for Canon EF
All Sigma lenses
Other 10-20mm lenses
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