Quick answer
The Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW is a ultra-wide wide zoom lens covering 11-18mm at f/2.8 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
A 11-18mm f/2.8 APS-C fast wide-angle zoom lens, the Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW is designed for Pentax K mount bodies, with extra-low dispersion glass. A premium weather-resistant "Star" series lens for Pentax K-mount cameras.
Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW specifications
What can you shoot with the Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW?
At 11-18mm this is a ultra-wide wide zoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
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 | 11–18mm | 90–117.1° | 100.5–126.1° |
| APS-C | 1.5x | 17–27mm | 67.4–95° | 77.4–105.3° |
Frequently asked questions
What mount does the Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW?
It zooms across 11-18mm with a maximum aperture of f/2.8. That makes it a ultra-wide lens.
Is the Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW a prime or a zoom lens?
It is a zoom lens covering 11-18mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 17–27mm on full frame, with a 67.4–95° horizontal and 77.4–105.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Pentax HD Pentax-DA* 11-18mm f/2.8 ED DC AW 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.
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