Photo: John Torcasio (CC BY-SA 3.0)
Quick answer
The Tokina AT-X 16-28 PRO FX 16-28mm f/2.8 is a ultra-wide to wide-angle wide zoom lens covering 16-28mm at f/2.8 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
This 16-28mm f/2.8 full-frame fast wide-angle zoom lens from Tokina fits Pentax K mount cameras. A professional-grade constant-aperture zoom from Tokina's AT-X line.
Tokina AT-X 16-28 PRO FX 16-28mm f/2.8 specifications
What can you shoot with the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8?
At 16-28mm this is a ultra-wide to wide-angle wide zoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
- Landscapes and cityscapes
- Street and travel photography
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 | 16–28mm | 65.5–96.7° | 75.4–107° |
| APS-C | 1.5x | 24–42mm | 46.4–73.7° | 54.5–84.1° |
Frequently asked questions
What mount does the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8 use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8?
It zooms across 16-28mm with a maximum aperture of f/2.8. That makes it a ultra-wide to wide-angle lens.
Is the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8 a prime or a zoom lens?
It is a zoom lens covering 16-28mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 24–42mm on full frame, with a 46.4–73.7° horizontal and 54.5–84.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8 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.
More Tokina lenses for Pentax K
All Tokina lensesOther 16-28mm lenses
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