Quick answer
The Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF] is a ultra-wide to standard zoom lens covering 17-55mm at f/2.8 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
A 17-55mm f/2.8 APS-C fast standard zoom lens, the Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF] is designed for Pentax K mount bodies, from the Tamron SP series with aspherical elements. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF] specifications
What can you shoot with the Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF]?
At 17-55mm this is a ultra-wide to standard zoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
- Landscapes and cityscapes
- Street and travel photography
Its bright maximum aperture handles indoor and evening light reasonably well.
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 | 17–55mm | 36.2–93.3° | 42.9–103.7° |
| APS-C | 1.5x | 26–83mm | 24.6–70.4° | 29.4–80.6° |
Frequently asked questions
What mount does the Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF] use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF]?
It zooms across 17-55mm with a maximum aperture of f/2.8. That makes it a ultra-wide to standard lens.
Is the Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF] a prime or a zoom lens?
It is a zoom lens covering 17-55mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF] equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 26–83mm on full frame, with a 24.6–70.4° horizontal and 29.4–80.6° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tamron SP AF 17-55mm f/2.8 Di II LD Aspherical [IF] 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 17-55mm lenses
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