Quick answer
The Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5 is a wide-angle to standard zoom lens covering 35-70mm 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
A 35-70mm f/3.5-4.5 standard zoom lens, the Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5 is designed for Pentax K mount bodies. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5 specifications
What can you shoot with the Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5?
At 35-70mm this is a wide-angle to standard zoom, which typically suits:
- Landscapes and cityscapes
- Street and travel photography
- Environmental portraits and interiors
- Everyday and street photography
- Natural-perspective portraits
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 | 35–70mm | 28.8–54.4° | 34.3–63.4° |
| APS-C | 1.5x | 53–105mm | 19.5–37.8° | 23.3–44.8° |
Frequently asked questions
What mount does the Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5 use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5?
It zooms across 35-70mm with a maximum aperture of f/3.5. That makes it a wide-angle to standard lens.
Is the Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5 a prime or a zoom lens?
It is a zoom lens covering 35-70mm, so you can reframe without moving. Its maximum aperture is f/3.5.
What is the Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 53–105mm on full frame, with a 19.5–37.8° horizontal and 23.3–44.8° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Pentax smc Pentax-A Zoom 35-70mm f/3.5-4.5 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 35-70mm lenses
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