Quick answer
The Sigma 17-35mm f/2.8-4 EX DG is a ultra-wide to wide-angle wide zoom lens covering 17-35mm at f/2.8 for the Sigma SA mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
Sigma 17-35mm f/2.8-4 EX DG: a full-frame wide-angle zoom lens with a 17-35mm focal length and a maximum aperture of f/2.8-4, made for Sigma SA mount cameras. It covers wide angles for landscapes, interiors and architecture.
Sigma 17-35mm f/2.8-4 EX DG specifications
What can you shoot with the Sigma 17-35mm f/2.8-4 EX DG?
At 17-35mm this is a ultra-wide to wide-angle wide zoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
- Landscapes and cityscapes
- Street and travel photography
Its bright maximum aperture handles indoor and evening light reasonably well.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 17–35mm | 54.4–93.3° | 63.4–103.7° |
| APS-C | 1.5x | 26–53mm | 37.8–70.4° | 44.8–80.6° |
Frequently asked questions
What mount does the Sigma 17-35mm f/2.8-4 EX DG use?
It uses the Sigma SA mount, so it fits Sigma SA cameras directly.
What is the focal length of the Sigma 17-35mm f/2.8-4 EX DG?
It zooms across 17-35mm with a maximum aperture of f/2.8. That makes it a ultra-wide to wide-angle lens.
Is the Sigma 17-35mm f/2.8-4 EX DG a prime or a zoom lens?
It is a zoom lens covering 17-35mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Sigma 17-35mm f/2.8-4 EX DG equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 26–53mm on full frame, with a 37.8–70.4° horizontal and 44.8–80.6° diagonal field of view. These figures are calculated from the focal length and crop factor.
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