Sigma Pentax K mount Wide Zoom
Sigma 8-16mm f/4.5-5.6 DC HSM
Quick answer
The Sigma 8-16mm f/4.5-5.6 DC HSM is a ultra-wide wide zoom lens covering 8-16mm at f/4.5 for the Pentax K mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
- APS-C (12–24mm equiv.)
- 29 Pentax K cameras
- Focal
- 8–16mm
- Aperture
- f/4.5–22
- Min focus
- 0.24m
- AF motor
- HSM
What 8-16mm sees
- APS-C crop 1.5× → 12–24mm
- 84.1–122° 73.7–112.6° horizontal
Diagonal angle of view. Frames drawn to scale at 8mm (and 16mm). Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorSigma 8-16mm f/4.5-5.6 DC HSM specifications
Optics
- Focal length
- 8-16mm
- Maximum aperture
- f/4.5
- Minimum aperture
- f/22
- Format coverage
- APS-C
- Optical construction
- 15 elements in 11 groups
- Aperture blades
- 7
Focus
- Autofocus motor
- HSM
- Minimum focus distance
- 0.24 m
- Maximum magnification
- 0.13×
Specification source: sigma-global.com
What can you shoot with the Sigma 8-16mm f/4.5-5.6 DC HSM?
At 8-16mm this is a ultra-wide wide zoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
Frequently asked questions
What mount does the Sigma 8-16mm f/4.5-5.6 DC HSM use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Sigma 8-16mm f/4.5-5.6 DC HSM?
It zooms across 8-16mm with a maximum aperture of f/4.5. That makes it a ultra-wide lens.
Is the Sigma 8-16mm f/4.5-5.6 DC HSM a prime or a zoom lens?
It is a zoom lens covering 8-16mm, so you can reframe without moving. Its maximum aperture is f/4.5.
What is the Sigma 8-16mm f/4.5-5.6 DC HSM equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 12–24mm on full frame, with a 73.7–112.6° horizontal and 84.1–122° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 8-16mm f/4.5-5.6 DC HSM fit?
Any Pentax K-mount camera, including Pentax *ist DL, Pentax *ist DS, Pentax K-01, Pentax K-1, and Pentax K-3 and 24 more.
Alternatives for Pentax K from other brands
All Pentax K lensesSame mount, overlapping focal range, closest maximum aperture first.
More Sigma lenses for Pentax K
All Sigma lenses
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