Quick answer
The Pentax smc Pentax-FA 24-120mm f/3.5-5.6 is a wide-angle to short telephoto zoom lens covering 24-120mm 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
Pentax smc Pentax-FA 24-120mm f/3.5-5.6: a standard zoom lens with a 24-120mm focal length and a maximum aperture of f/3.5-5.6, made for Pentax K mount cameras. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Pentax smc Pentax-FA 24-120mm f/3.5-5.6 specifications
What can you shoot with the Pentax smc Pentax-FA 24-120mm f/3.5-5.6?
At 24-120mm this is a wide-angle to short telephoto 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 | 24–120mm | 17.1–73.7° | 20.4–84.1° |
| APS-C | 1.5x | 36–180mm | 11.4–53.1° | 13.7–62° |
Frequently asked questions
What mount does the Pentax smc Pentax-FA 24-120mm f/3.5-5.6 use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Pentax smc Pentax-FA 24-120mm f/3.5-5.6?
It zooms across 24-120mm with a maximum aperture of f/3.5. That makes it a wide-angle to short telephoto lens.
Is the Pentax smc Pentax-FA 24-120mm f/3.5-5.6 a prime or a zoom lens?
It is a zoom lens covering 24-120mm, so you can reframe without moving. Its maximum aperture is f/3.5.
What is the Pentax smc Pentax-FA 24-120mm f/3.5-5.6 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 36–180mm on full frame, with a 11.4–53.1° horizontal and 13.7–62° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Pentax smc Pentax-FA 24-120mm f/3.5-5.6 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 24-120mm lenses
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