Quick answer
A retractable weather-resistant kit zoom for Pentax APS-C bodies, weighing about 158 g. It takes 58mm filters and focuses as close as 0.3 m.
Pros
- Very light at about 158 g
- Weather resistant
- Retractable
- Close focus 0.3 m
Cons
- Slow aperture
- Plastic build
- Modest image quality
Verdict
A compact weather-resistant kit lens.
About this lens
The Pentax DA 18-50mm F4.5-5.6 DC WR RE is an APS-C standard zoom lens covering 18-50mm at f/4.5-5.6 for Pentax K mount cameras, with weather-resistant construction. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Pentax DA 18-50mm F4.5-5.6 DC WR RE specifications
- Brand
- Pentax
- Mount
- Pentax K
- Focal length
- 18-50mm
- Maximum aperture
- f/4.5
- Lens type
- Zoom
- Format coverage
- aps-c
- Minimum focus distance
- 0.3 m
- Filter thread
- 58 mm
- Weight
- 158 g
- Length
- 71 mm
Specification source: wikidata.org
What can you shoot with the Pentax DA 18-50mm F4.5-5.6 DC WR RE?
- Everyday carry
- Travel
- Beginner kit
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
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 | 27–75mm | 27–67.4° | 32.2–77.4° |
Frequently asked questions
Is the Pentax 18-50mm weather resistant?
Yes, the WR in the name indicates a weather-resistant build.
What filter size does it use?
It takes 58mm filters. Buy that size and they mount directly with no step ring.
How close can it focus?
Minimum focus is 0.3 m. That is close enough to place a foreground subject against a wide background.
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 18-50mm lenses
Browse by focal length: 18mm lenses, 50mm lenses