Quick answer
The Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro is a wide-angle to short telephoto macro lens covering 24-135mm 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
This 24-135mm f/3.5-5.6 macro zoom lens from Tamron fits Pentax K mount cameras, with aspherical elements. It is intended for close-up work with small subjects such as flowers and insects.
Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro specifications
What can you shoot with the Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro?
At 24-135mm this is a wide-angle to short telephoto macro, 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 | 24–135mm | 15.2–73.7° | 18.2–84.1° |
| APS-C | 1.5x | 36–203mm | 10.2–53.1° | 12.2–62° |
Frequently asked questions
What mount does the Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro?
It zooms across 24-135mm with a maximum aperture of f/3.5. That makes it a wide-angle to short telephoto lens.
Is the Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro a prime or a zoom lens?
It is a zoom lens covering 24-135mm, so you can reframe without moving. Its maximum aperture is f/3.5.
What is the Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 36–203mm on full frame, with a 10.2–53.1° horizontal and 12.2–62° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tamron AF 24-135mm f/3.5-5.6 Aspherical Macro 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 Tamron lenses for Pentax K
All Tamron lensesOther 24-135mm lenses
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