Photo: Marie-Lan Nguyen (CC BY 2.5)
Quick answer
The Sigma 70mm f/2.8 EX DG Macro is a standard macro lens covering 70mm at f/2.8 for the Sigma SA mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
This 70mm f/2.8 full-frame macro lens from Sigma fits Sigma SA mount cameras. A macro lens from Sigma for life-size close-ups.
Sigma 70mm f/2.8 EX DG Macro specifications
- Brand
- Sigma
- Mount
- Sigma SA
- Focal length
- 70mm
- Maximum aperture
- f/2.8
- Lens type
- Macro
- Optical construction
- 10 elements in 9 groups
- Aperture blades
- 9
- Minimum focus distance
- 0.26 m
- Maximum magnification
- 1x
- Filter thread
- 62 mm
Specification source: dyxum.com
What can you shoot with the Sigma 70mm f/2.8 EX DG Macro?
At 70mm this is a standard macro, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
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 | 70mm | 28.8° | 34.3° |
| APS-C | 1.5x | 105mm | 19.5° | 23.3° |
Frequently asked questions
What mount does the Sigma 70mm f/2.8 EX DG Macro use?
It uses the Sigma SA mount, so it fits Sigma SA cameras directly.
What is the focal length of the Sigma 70mm f/2.8 EX DG Macro?
It is a fixed 70mm lens with a maximum aperture of f/2.8. That makes it a standard lens.
Is the Sigma 70mm f/2.8 EX DG Macro a prime or a zoom lens?
It is a prime lens with a fixed 70mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Sigma 70mm f/2.8 EX DG Macro equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 105mm on full frame, with a 19.5° horizontal and 23.3° diagonal field of view. These figures are calculated from the focal length and crop factor.