Quick answer
A full-frame ultra-wide zoom for Pentax with a constant f/2.8 aperture, SDM focusing and weather resistance. It weighs about 1,040 g.
Pros
- Constant f/2.8
- SDM autofocus
- Weather resistant
- Close focus 0.28 m
Cons
- Bulbous front element
- No front filter thread
- Heavy at about 1,040 g
Verdict
A fast wide zoom for Pentax full-frame bodies, best known for astro and landscape work.
About this lens
This 15-30mm f/2.8 fast wide-angle zoom lens from Pentax fits Pentax K mount cameras, with weather-resistant construction and extra-low dispersion glass. It covers wide angles for landscapes, interiors and architecture.
Pentax HD PENTAX-D FA 15-30mm F2.8 ED SDM WR specifications
- Brand
- Pentax
- Mount
- Pentax K
- Focal length
- 15-30mm
- Maximum aperture
- f/2.8
- Lens type
- Wide Zoom
- Minimum focus distance
- 0.28 m
- Weight
- 1040 g
- Length
- 144 mm
- Diameter
- 99 mm
Specification source: wikidata.org
What can you shoot with the Pentax HD PENTAX-D FA 15-30mm F2.8 ED SDM WR?
- Landscapes
- Astrophotography
- Architecture
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 | 15–30mm | 61.9–100.4° | 71.6–110.5° |
| APS-C | 1.5x | 23–45mm | 43.6–77.3° | 51.4–87.8° |
Frequently asked questions
Can I use filters on the Pentax 15-30mm f/2.8?
Not on the front, since the front element is domed and has no filter thread. A dedicated filter holder system is needed.
What does SDM stand for?
SDM is Pentax's Supersonic Drive Motor, which provides quiet autofocus.
Is the Pentax 15-30mm f/2.8 weather resistant?
Yes. The WR in the name indicates a weather-resistant build.
Alternatives for Pentax K from other brands
All Pentax K lensesSame mount, overlapping focal range, closest maximum aperture first.
More Pentax lenses for Pentax K
All Pentax lensesOther 15-30mm lenses
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