Quick answer
The Sigma 120-300mm f/2.8 APO EX DG HSM is a short telephoto to telephoto telephoto zoom lens covering 120-300mm at f/2.8 for the Sigma SA mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
This 120-300mm f/2.8 full-frame fast telephoto zoom lens from Sigma fits Sigma SA mount cameras, with Hyper Sonic Motor autofocus and apochromatic correction. A long-reach telephoto zoom aimed at sports and wildlife.
Sigma 120-300mm f/2.8 APO EX DG HSM specifications
- Brand
- Sigma
- Mount
- Sigma SA
- Focal length
- 120-300mm
- Maximum aperture
- f/2.8
- Lens type
- Telephoto Zoom
What can you shoot with the Sigma 120-300mm f/2.8 APO EX DG HSM?
At 120-300mm this is a short telephoto to telephoto telephoto zoom, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
- Sports and action
- Wildlife and birds at moderate distance
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 | 120–300mm | 6.9–17.1° | 8.2–20.4° |
| APS-C | 1.5x | 180–450mm | 4.6–11.4° | 5.5–13.7° |
Frequently asked questions
What mount does the Sigma 120-300mm f/2.8 APO EX DG HSM use?
It uses the Sigma SA mount, so it fits Sigma SA cameras directly.
What is the focal length of the Sigma 120-300mm f/2.8 APO EX DG HSM?
It zooms across 120-300mm with a maximum aperture of f/2.8. That makes it a short telephoto to telephoto lens.
Is the Sigma 120-300mm f/2.8 APO EX DG HSM a prime or a zoom lens?
It is a zoom lens covering 120-300mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Sigma 120-300mm f/2.8 APO EX DG HSM equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 180–450mm on full frame, with a 4.6–11.4° horizontal and 5.5–13.7° diagonal field of view. These figures are calculated from the focal length and crop factor.
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