Photo: Ximonic (Simo Räsänen) (CC BY-SA 4.0)
Quick answer
The Sigma 14mm f/1.8 DG HSM Art is a ultra-wide prime lens covering 14mm at f/1.8 for the Pentax K mount. Its fast maximum aperture helps in dim light and gives good subject separation.
About this lens
The Sigma 14mm f/1.8 DG HSM Art is a full-frame fast wide-angle prime lens covering 14mm at f/1.8 for Pentax K mount cameras, from the Sigma Art line with Hyper Sonic Motor autofocus. A wide-aperture wide-angle prime from Sigma's Art line, popular for astrophotography and landscapes.
Sigma 14mm f/1.8 DG HSM Art specifications
- Brand
- Sigma
- Mount
- Pentax K
- Focal length
- 14mm
- Maximum aperture
- f/1.8
- Lens type
- Prime
- Format coverage
- full-frame
- Released
- 2017
- Optical construction
- 16 elements in 11 groups
- Aperture blades
- 9
- Autofocus motor
- HSM
- Minimum focus distance
- 0.27 m
- Maximum magnification
- 0.1x
- Length
- 126 mm
- Diameter
- 95.4 mm
Specification source: sigmaphoto.com
What can you shoot with the Sigma 14mm f/1.8 DG HSM Art?
At 14mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its fast maximum aperture helps in dim light and gives good subject separation.
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 | 14mm | 104.3° | 114.2° |
| APS-C | 1.5x | 21mm | 81.2° | 91.7° |
Frequently asked questions
What mount does the Sigma 14mm f/1.8 DG HSM Art use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Sigma 14mm f/1.8 DG HSM Art?
It is a fixed 14mm lens with a maximum aperture of f/1.8. That makes it a ultra-wide lens.
Is the Sigma 14mm f/1.8 DG HSM Art a prime or a zoom lens?
It is a prime lens with a fixed 14mm focal length. Primes usually open wider than zooms; this one opens to f/1.8.
What is the Sigma 14mm f/1.8 DG HSM Art equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 21mm on full frame, with a 81.2° horizontal and 91.7° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 14mm f/1.8 DG HSM 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.
