smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR
- 18-135mm
- f/3.5
- Superzoom
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Quick answer
The Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR is a ultra-wide to short telephoto superzoom lens covering 18-135mm at f/3.5 for the Pentax K mount. Its moderate maximum aperture works best in good light or with a higher ISO.
About this lens
This 18-135mm f/3.5-5.6 APS-C superzoom lens from Pentax fits Pentax K mount cameras, with weather-resistant construction and extra-low dispersion glass. A popular general-purpose zoom for Pentax APS-C cameras.
Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR specifications
What can you shoot with the Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR?
At 18-135mm this is a ultra-wide to short telephoto superzoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
- Landscapes and cityscapes
- Street and travel photography
Its moderate maximum aperture works best in good light or with a higher ISO.
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 | 18–135mm | 15.2–90° | 18.2–100.5° |
| APS-C | 1.5x | 27–203mm | 10.2–67.4° | 12.2–77.4° |
Frequently asked questions
What mount does the Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR?
It zooms across 18-135mm with a maximum aperture of f/3.5. That makes it a ultra-wide to short telephoto lens.
Is the Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR a prime or a zoom lens?
It is a zoom lens covering 18-135mm, so you can reframe without moving. Its maximum aperture is f/3.5.
What is the Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 27–203mm on full frame, with a 10.2–67.4° horizontal and 12.2–77.4° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Pentax smc Pentax-DA 18-135mm f/3.5-5.6 ED AL IF DC WR 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 Pentax lenses for Pentax K
All Pentax lensesOther 18-135mm lenses
Browse by focal length: 18mm lenses, 135mm lenses