Quick answer
The Sigma 70mm f/2.8 DG Macro Art is a standard macro lens covering 70mm at f/2.8 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
A 70mm f/2.8 full-frame macro lens, the Sigma 70mm f/2.8 DG Macro Art is designed for Pentax K mount bodies, from the Sigma Art line. A macro lens from Sigma for life-size close-ups.
Sigma 70mm f/2.8 DG Macro Art specifications
- Brand
- Sigma
- Mount
- Pentax K
- Focal length
- 70mm
- Maximum aperture
- f/2.8
- Lens type
- Macro
- Format coverage
- full-frame
- Optical construction
- 13 elements in 10 groups
- Aperture blades
- 9
- Minimum focus distance
- 0.26 m
- Maximum magnification
- 1x
- Filter thread
- 49 mm
Specification source: sigmaphoto.com
What can you shoot with the Sigma 70mm f/2.8 DG Macro Art?
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 DG Macro Art use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Sigma 70mm f/2.8 DG Macro Art?
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 DG Macro Art 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 DG Macro Art 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.
Which cameras does the Sigma 70mm f/2.8 DG Macro Art fit?
Any Pentax K-mount camera, including Pentax K-1, Pentax K-3, Pentax K-3 II, Pentax K-3 Mark III, and Pentax K-30 and 15 more.
Alternatives for Pentax K from other brands
All Pentax K lensesSame mount, overlapping focal range, closest maximum aperture first.
