Quick answer
The Sigma 75-300mm f/4-5.6 APO is a short telephoto to telephoto telephoto zoom lens covering 75-300mm at f/4.0 for the Sigma SA mount. Its moderate maximum aperture works best in good light or with a higher ISO.
About this lens
A 75-300mm f/4-5.6 telephoto zoom lens, the Sigma 75-300mm f/4-5.6 APO is designed for Sigma SA mount bodies, with apochromatic correction. The range suits sports, wildlife, events and portraits.
Sigma 75-300mm f/4-5.6 APO specifications
- Brand
- Sigma
- Mount
- Sigma SA
- Focal length
- 75-300mm
- Maximum aperture
- f/4.0
- Lens type
- Telephoto Zoom
What can you shoot with the Sigma 75-300mm f/4-5.6 APO?
At 75-300mm 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 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 |
|---|---|---|---|---|
| Full frame | 1.0x | 75–300mm | 6.9–27° | 8.2–32.2° |
| APS-C | 1.5x | 113–450mm | 4.6–18.2° | 5.5–21.8° |
Frequently asked questions
What mount does the Sigma 75-300mm f/4-5.6 APO use?
It uses the Sigma SA mount, so it fits Sigma SA cameras directly.
What is the focal length of the Sigma 75-300mm f/4-5.6 APO?
It zooms across 75-300mm with a maximum aperture of f/4.0. That makes it a short telephoto to telephoto lens.
Is the Sigma 75-300mm f/4-5.6 APO a prime or a zoom lens?
It is a zoom lens covering 75-300mm, so you can reframe without moving. Its maximum aperture is f/4.0.
What is the Sigma 75-300mm f/4-5.6 APO equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 113–450mm on full frame, with a 4.6–18.2° horizontal and 5.5–21.8° diagonal field of view. These figures are calculated from the focal length and crop factor.
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