HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR
- 28-105mm
- f/3.5
- Zoom
- 440 g
- Min focus 0.5 m
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Quick answer
A compact full-frame standard zoom for Pentax with weather resistance and a quiet DC motor. It weighs about 440 g and takes 62mm filters.
Pros
- Light at about 440 g
- Weather resistant
- Quiet DC motor
- Useful 28-105mm range
Cons
- Slow variable aperture
- Not suited to low light
- Plastic body
Verdict
A light walk-around zoom for Pentax full-frame bodies.
About this lens
This 28-105mm f/3.5-5.6 APS-C standard zoom lens from Pentax fits Pentax K mount cameras, with weather-resistant construction and extra-low dispersion glass. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Pentax HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR specifications
- Brand
- Pentax
- Mount
- Pentax K
- Focal length
- 28-105mm
- Maximum aperture
- f/3.5
- Lens type
- Zoom
- Minimum focus distance
- 0.5 m
- Filter thread
- 62 mm
- Weight
- 440 g
- Length
- 87 mm
- Diameter
- 73 mm
Specification source: wikidata.org
What can you shoot with the Pentax HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR?
- Travel and walk-around use
- General full-frame photography
- Landscape with one lens
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 | 28–105mm | 19.5–65.5° | 23.3–75.4° |
| APS-C | 1.5x | 42–158mm | 13–46.4° | 15.6–54.5° |
Frequently asked questions
What does DC mean on the Pentax 28-105mm?
DC stands for Direct-Current motor, a motor in the lens that drives autofocus quietly.
Is the Pentax 28-105mm a full-frame lens?
Yes. The D FA designation means it covers full-frame sensors.
What filter size does it use?
The front thread measures 62mm, which is the size to look for when choosing a polarizer, UV or ND filter.
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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