Quick answer
The Pentax smc Pentax-DA 16-45mm f/4 ED AL is a ultra-wide to standard zoom lens covering 16-45mm at f/4.0 for the Pentax K mount. Its moderate maximum aperture works best in good light or with a higher ISO.
About this lens
A 16-45mm f/4 standard zoom lens, the Pentax smc Pentax-DA 16-45mm f/4 ED AL is designed for Pentax K mount bodies, with extra-low dispersion glass. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Pentax smc Pentax-DA 16-45mm f/4 ED AL specifications
- Brand
- Pentax
- Mount
- Pentax K
- Focal length
- 16-45mm
- Maximum aperture
- f/4.0
- Lens type
- Zoom
- Format coverage
- aps-c
- Released
- 2003
- Optical construction
- 13 elements in 10 groups
- Aperture blades
- 6
- Autofocus motor
- screw-drive
- Minimum focus distance
- 0.28 m
- Maximum magnification
- 0.25x
- Filter thread
- 67 mm
- Weight
- 356 g
- Diameter
- 72 mm
Specification source: en.wikipedia.org
What can you shoot with the Pentax smc Pentax-DA 16-45mm f/4 ED AL?
At 16-45mm this is a ultra-wide to standard zoom, 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 |
|---|---|---|---|---|
| APS-C | 1.5x | 24–68mm | 29.9–73.7° | 35.5–84.1° |
Frequently asked questions
What mount does the Pentax smc Pentax-DA 16-45mm f/4 ED AL 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 16-45mm f/4 ED AL?
It zooms across 16-45mm with a maximum aperture of f/4.0. That makes it a ultra-wide to standard lens.
Is the Pentax smc Pentax-DA 16-45mm f/4 ED AL a prime or a zoom lens?
It is a zoom lens covering 16-45mm, so you can reframe without moving. Its maximum aperture is f/4.0.
What is the Pentax smc Pentax-DA 16-45mm f/4 ED AL equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 24–68mm on full frame, with a 29.9–73.7° horizontal and 35.5–84.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Pentax smc Pentax-DA 16-45mm f/4 ED AL 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 lenses
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