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Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro

Photo: Hustvedt (CC BY-SA 3.0)

SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro

  • 28-75mm
  • f/2.8
  • Macro
  • Min focus 0.33 m
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Quick answer

The Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro is a wide-angle to short telephoto macro lens covering 28-75mm at f/2.8 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.

About this lens

This 28-75mm f/2.8 full-frame macro zoom lens from Tamron fits Pentax K mount cameras, from the Tamron SP series with aspherical elements. It is intended for close-up work with small subjects such as flowers and insects.

Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro specifications

Brand
Tamron
Mount
Pentax K
Focal length
28-75mm
Maximum aperture
f/2.8
Lens type
Macro
Optical construction
16 elements in 14 groups
Aperture blades
7
Minimum focus distance
0.33 m
Maximum magnification
0.26x
Filter thread
67 mm

Specification source: dyxum.com

What can you shoot with the Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro?

At 28-75mm 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 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 28–75mm 27–65.5° 32.2–75.4°
APS-C 1.5x 42–113mm 18.2–46.4° 21.8–54.5°

Try the field-of-view calculator

Frequently asked questions

What mount does the Tamron SP AF 28-75mm f/2.8 XR Di 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 SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro?

It zooms across 28-75mm with a maximum aperture of f/2.8. That makes it a wide-angle to short telephoto lens.

Is the Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro a prime or a zoom lens?

It is a zoom lens covering 28-75mm, so you can reframe without moving. Its maximum aperture is f/2.8.

What is the Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro equivalent on a crop sensor?

On APS-C (1.5x crop) it frames like 42–113mm on full frame, with a 18.2–46.4° horizontal and 21.8–54.5° diagonal field of view. These figures are calculated from the focal length and crop factor.

Which cameras does the Tamron SP AF 28-75mm f/2.8 XR Di 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 lenses

Same mount, overlapping focal range, closest maximum aperture first.

More Tamron lenses for Pentax K

All Tamron lenses

Other 28-75mm lenses

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Cameras that fit the Pentax K mount

All Pentax K cameras (20)