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Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM vs Tokina AT-X 16-28 PRO FX 16-28mm f/2.8

Both are Pentax K lenses. Here is what actually differs.

Pick the Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM if

  • You need more reach: 50mm vs 28mm at the long end
  • Our notes say it suits: Events on APS-C, portraits, general professional use

Pick the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8 if

Our spec data shows no clear advantage for this lens.

Spec differences

10 differences
Specifications that differ between the Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM and the Tokina AT-X 16-28 PRO FX 16-28mm f/2.8
Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM Tokina AT-X 16-28 PRO FX 16-28mm f/2.8
Brand
Pentax
Tokina
Type
Zoom
Wide Zoom
Format
APS-C
not listed
Focal length
16-50mm
16-28mm
Weight
565 g
not listed
Length
99 mm
not listed
Diameter
84 mm
not listed
Filter thread
77 mm
not listed
Min focus distance
0.3 m
not listed
Image stabilization
No
not listed
2 identical specs hidden: mount, max aperture. Show all
Mount
Pentax K both
Max aperture
f/2.8 both

Our notes

Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM

A constant f/2.8 standard zoom for Pentax APS-C bodies, with SDM focusing. It weighs about 565 g and takes 77mm filters.

Pros

  • Constant f/2.8
  • SDM autofocus
  • Weather-resistant build
  • 77mm filters

Cons

  • APS-C only
  • SDM motors in some units have failed with age
  • No lens stabilization

Our notes

Tokina AT-X 16-28 PRO FX 16-28mm f/2.8

This 16-28mm f/2.8 full-frame fast wide-angle zoom lens from Tokina fits Pentax K mount cameras. A professional-grade constant-aperture zoom from Tokina's AT-X line.

More comparisons

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