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Tamron 28-75mm f/2.8 Di III VXD G2 — Prime/Zoom
Tamron

Tamron 28-75mm f/2.8 Di III VXD G2

Prime/Zoom

88
/ 100
From $899
VS
Tamron 28-75mm f/2.8 Di III VXD G2 wins by 1
Tamron 50-400mm f/4.5-6.3 Di III VC VXD — Prime/zoom
Tamron

Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Prime/zoom

87
/ 100
From $1,299
Specdex verdict

Tamron 28-75mm f/2.8 Di III VXD G2 takes it — here’s why.

In our weighted Specdex score, Tamron 28-75mm f/2.8 Di III VXD G2 lands at 88 and Tamron 50-400mm f/4.5-6.3 Di III VC VXD at 87. That puts Tamron 28-75mm f/2.8 Di III VXD G2 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Tamron 28-75mm f/2.8 Di III VXD G2 if…

  • ✓Fast autofocus
  • ✓Weather-sealed
  • ✓Premium optics

Pick Tamron 50-400mm f/4.5-6.3 Di III VC VXD if…

  • ✓Proven optical formula
  • ✓Weather-sealing (L/GM/S)
  • ✓Strong resale
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Build

Tamron 28-75mm f/2.8 Di III VXD G2

Compared on the build sub-score

Tamron 28-75mm f/2.8 Di III VXD G2 leads on build (94 vs 90).

Sharpness

Tie

Compared on the sharpness sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Autofocus

Tamron 28-75mm f/2.8 Di III VXD G2

Compared on the autofocus sub-score

Tamron 28-75mm f/2.8 Di III VXD G2 leads on af (87 vs 83).

Value for money

Tamron 28-75mm f/2.8 Di III VXD G2

Specdex score per dollar at MSRP

Tamron 28-75mm f/2.8 Di III VXD G2 more score per dollar ($899 vs $1,299).

Tamron 28-75mm f/2.8 Di III VXD G2 88
vs
87 Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Score breakdown

Tamron 28-75mm f/2.8 Di III VXD G2
88
sharpness 88
af 87
build 94
value 84
Tamron 50-400mm f/4.5-6.3 Di III VC VXD
87
sharpness 87
af 83
build 90
value 86

Specs side-by-side

Tamron 28-75mm f/2.8 Di III VXD G2 versus Tamron 50-400mm f/4.5-6.3 Di III VC VXD — full spec comparison
Spec Tamron 28-75mm f/2.8 Di III VXD G2 Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Tamron 28-75mm f/2.8 Di III VXD G2

Pros
  • +Fast autofocus
  • +Weather-sealed
  • +Premium optics
Cons
  • −Heavy
  • −Expensive
  • −Focus breathing varies

Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Pros
  • +Proven optical formula
  • +Weather-sealing (L/GM/S)
  • +Strong resale
Cons
  • −Mount-specific
  • −Older AF motor on some
  • −Heavier than modern counterparts

FAQ: Tamron 28-75mm f/2.8 Di III VXD G2 vs Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Which is better, Tamron 28-75mm f/2.8 Di III VXD G2 or Tamron 50-400mm f/4.5-6.3 Di III VC VXD? +

Tamron 28-75mm f/2.8 Di III VXD G2 scores 88 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Tamron 28-75mm f/2.8 Di III VXD G2 worth the price? +

At $899, Tamron 28-75mm f/2.8 Di III VXD G2 delivers a Specdex score of 88 — strongest in build.

Is Tamron 50-400mm f/4.5-6.3 Di III VC VXD worth the price? +

At $1,299, Tamron 50-400mm f/4.5-6.3 Di III VC VXD delivers a Specdex score of 87 — strongest in build.

Does Tamron 28-75mm f/2.8 Di III VXD G2 or Tamron 50-400mm f/4.5-6.3 Di III VC VXD last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for build, Tamron 28-75mm f/2.8 Di III VXD G2 or Tamron 50-400mm f/4.5-6.3 Di III VC VXD? +

Tamron 28-75mm f/2.8 Di III VXD G2 — leads on build (94 vs 90). Compared on the build sub-score.

Which is better for autofocus, Tamron 28-75mm f/2.8 Di III VXD G2 or Tamron 50-400mm f/4.5-6.3 Di III VC VXD? +

Tamron 28-75mm f/2.8 Di III VXD G2 — leads on af (87 vs 83). Compared on the autofocus sub-score.