Quick answer
The Tamron AF 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] Macro is a ultra-wide to standard macro lens covering 18-70mm 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
This 18-70mm f/3.5-5.6 APS-C 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 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] Macro specifications
What can you shoot with the Tamron AF 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] Macro?
At 18-70mm this is a ultra-wide to standard macro, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
- Landscapes and cityscapes
- Street and travel photography
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 | 18–70mm | 28.8–90° | 34.3–100.5° |
| APS-C | 1.5x | 27–105mm | 19.5–67.4° | 23.3–77.4° |
Frequently asked questions
What mount does the Tamron AF 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] Macro use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Tamron AF 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] Macro?
It zooms across 18-70mm with a maximum aperture of f/3.5. That makes it a ultra-wide to standard lens.
Is the Tamron AF 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] Macro a prime or a zoom lens?
It is a zoom lens covering 18-70mm, so you can reframe without moving. Its maximum aperture is f/3.5.
What is the Tamron AF 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] Macro equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 27–105mm on full frame, with a 19.5–67.4° horizontal and 23.3–77.4° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tamron AF 18-70mm f/3.5-5.6 Di II LD Aspherical [IF] 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 lenses
Other 18-70mm lenses
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