Quick answer
The Sigma 30mm f/1.4 DC HSM Art is a wide-angle prime lens covering 30mm at f/1.4 for the Pentax K mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
About this lens
The Sigma 30mm f/1.4 DC HSM Art is an APS-C fast wide-angle prime lens covering 30mm at f/1.4 for Pentax K mount cameras, from the Sigma Art line with Hyper Sonic Motor autofocus. A fast prime for APS-C and mirrorless cameras from Sigma's Contemporary line.
Sigma 30mm f/1.4 DC HSM Art specifications
- Brand
- Sigma
- Mount
- Pentax K
- Focal length
- 30mm
- Maximum aperture
- f/1.4
- Lens type
- Prime
- Format coverage
- aps-c
- Optical construction
- 9 elements in 9 groups
- Aperture blades
- 9
- Autofocus motor
- HSM
- Minimum focus distance
- 0.3 m
- Maximum magnification
- 0.15x
- Filter thread
- 62 mm
- Weight
- 435 g
- Length
- 63.3 mm
- Diameter
- 74.2 mm
Specification source: sigmaphoto.com
What can you shoot with the Sigma 30mm f/1.4 DC HSM Art?
At 30mm this is a wide-angle prime, which typically suits:
- Landscapes and cityscapes
- Street and travel photography
- Environmental portraits and interiors
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| APS-C | 1.5x | 45mm | 43.6° | 51.4° |
Frequently asked questions
What mount does the Sigma 30mm f/1.4 DC HSM Art use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Sigma 30mm f/1.4 DC HSM Art?
It is a fixed 30mm lens with a maximum aperture of f/1.4. That makes it a wide-angle lens.
Is the Sigma 30mm f/1.4 DC HSM Art a prime or a zoom lens?
It is a prime lens with a fixed 30mm focal length. Primes usually open wider than zooms; this one opens to f/1.4.
What is the Sigma 30mm f/1.4 DC HSM Art equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 45mm on full frame, with a 43.6° horizontal and 51.4° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 30mm f/1.4 DC 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.
