Quick answer
The Tamron AF 28-105mm f/2.8 LD Aspherical [IF] is a wide-angle to short telephoto zoom lens covering 28-105mm at f/2.8 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
The Tamron AF 28-105mm f/2.8 LD Aspherical [IF] is a fast standard zoom lens covering 28-105mm at f/2.8 for Pentax K mount cameras, with aspherical elements. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Tamron AF 28-105mm f/2.8 LD Aspherical [IF] specifications
- Brand
- Tamron
- Mount
- Pentax K
- Focal length
- 28-105mm
- Maximum aperture
- f/2.8
- Lens type
- Zoom
- Optical construction
- 15 elements in 13 groups
- Aperture blades
- 9
- Minimum focus distance
- 0.5 m
- Maximum magnification
- 0.22x
- Filter thread
- 82 mm
Specification source: dyxum.com
What can you shoot with the Tamron AF 28-105mm f/2.8 LD Aspherical [IF]?
At 28-105mm 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 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 | 28–105mm | 19.5–65.5° | 23.3–75.4° |
| APS-C | 1.5x | 42–158mm | 13–46.4° | 15.6–54.5° |
Frequently asked questions
What mount does the Tamron AF 28-105mm f/2.8 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 AF 28-105mm f/2.8 LD Aspherical [IF]?
It zooms across 28-105mm with a maximum aperture of f/2.8. That makes it a wide-angle to short telephoto lens.
Is the Tamron AF 28-105mm f/2.8 LD Aspherical [IF] a prime or a zoom lens?
It is a zoom lens covering 28-105mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Tamron AF 28-105mm f/2.8 LD Aspherical [IF] equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 42–158mm on full frame, with a 13–46.4° horizontal and 15.6–54.5° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tamron AF 28-105mm f/2.8 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 28-105mm lenses
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