Photo: Ashley Pomeroy (CC BY-SA 4.0)
Quick answer
The Sigma 12-24mm f/4.5-5.6 EX DG HSM is a ultra-wide to wide-angle wide zoom lens covering 12-24mm at f/4.5 for the Sony A mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
This 12-24mm f/4.5-5.6 full-frame wide-angle zoom lens from Sigma fits Sony A mount cameras, with Hyper Sonic Motor autofocus. It covers wide angles for landscapes, interiors and architecture.
Sigma 12-24mm f/4.5-5.6 EX DG HSM specifications
What can you shoot with the Sigma 12-24mm f/4.5-5.6 EX DG HSM?
At 12-24mm 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 smaller maximum aperture favours daylight shooting and keeps the lens compact.
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 | 12–24mm | 73.7–112.6° | 84.1–122° |
| APS-C | 1.5x | 18–36mm | 53.1–90° | 62–100.5° |
Frequently asked questions
What mount does the Sigma 12-24mm f/4.5-5.6 EX DG HSM use?
It uses the Sony A mount, so it fits Sony A cameras directly.
What is the focal length of the Sigma 12-24mm f/4.5-5.6 EX DG HSM?
It zooms across 12-24mm with a maximum aperture of f/4.5. That makes it a ultra-wide to wide-angle lens.
Is the Sigma 12-24mm f/4.5-5.6 EX DG HSM a prime or a zoom lens?
It is a zoom lens covering 12-24mm, so you can reframe without moving. Its maximum aperture is f/4.5.
What is the Sigma 12-24mm f/4.5-5.6 EX DG HSM equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 18–36mm on full frame, with a 53.1–90° horizontal and 62–100.5° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 12-24mm f/4.5-5.6 EX DG HSM fit?
Any Sony A-mount camera, including Sony A100, Sony A200, Sony A230, Sony A290, and Sony A300 and 24 more.
Alternatives for Sony A from other brands
All Sony A lensesSame mount, overlapping focal range, closest maximum aperture first.
More Sigma lenses for Sony A
All Sigma lenses
Other 12-24mm lenses
Browse by focal length: 12mm lenses, 24mm lenses