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Tamron 35-150mm f/2-2.8 Di III VXD — Prime/Zoom
Tamron

Tamron 35-150mm f/2-2.8 Di III VXD

Prime/Zoom

92
/ 100
From $1,899
VS
Sony FE 100mm f/2.8 STF GM — Prime/Zoom
Sony

Sony FE 100mm f/2.8 STF GM

Prime/Zoom

92
/ 100
From $1,498
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Tamron 35-150mm f/2-2.8 Di III VXD lands at 92 and Sony FE 100mm f/2.8 STF GM at 92. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Tamron 35-150mm f/2-2.8 Di III VXD if…

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

Pick Sony FE 100mm f/2.8 STF GM if…

  • ✓Fast aperture
  • ✓Quiet autofocus
  • ✓Weather-sealed (most)
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Winner by scenario

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

Sharpness

Tie

Compared on the sharpness sub-score

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

Build

Tamron 35-150mm f/2-2.8 Di III VXD

Compared on the build sub-score

Tamron 35-150mm f/2-2.8 Di III VXD leads on build (94 vs 88).

Autofocus

Tie

Compared on the autofocus sub-score

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

Value for money

Sony FE 100mm f/2.8 STF GM

Specdex score per dollar at MSRP

Sony FE 100mm f/2.8 STF GM more score per dollar ($1,498 vs $1,899).

Tamron 35-150mm f/2-2.8 Di III VXD 92
vs
92 Sony FE 100mm f/2.8 STF GM

Score breakdown

Tamron 35-150mm f/2-2.8 Di III VXD
92
sharpness 92
af 91
build 94
value 84
Sony FE 100mm f/2.8 STF GM
92
sharpness 92
af 90
build 88
value 85

Specs side-by-side

Tamron 35-150mm f/2-2.8 Di III VXD versus Sony FE 100mm f/2.8 STF GM — full spec comparison
Spec Tamron 35-150mm f/2-2.8 Di III VXD Sony FE 100mm f/2.8 STF GM

Tamron 35-150mm f/2-2.8 Di III VXD

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

Sony FE 100mm f/2.8 STF GM

Pros
  • +Fast aperture
  • +Quiet autofocus
  • +Weather-sealed (most)
Cons
  • −Mount-specific
  • −Weight varies
  • −Price scales with quality

FAQ: Tamron 35-150mm f/2-2.8 Di III VXD vs Sony FE 100mm f/2.8 STF GM

Which is better, Tamron 35-150mm f/2-2.8 Di III VXD or Sony FE 100mm f/2.8 STF GM? +

Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Tamron 35-150mm f/2-2.8 Di III VXD worth the price? +

At $1,899, Tamron 35-150mm f/2-2.8 Di III VXD delivers a Specdex score of 92 — strongest in build.

Is Sony FE 100mm f/2.8 STF GM worth the price? +

At $1,498, Sony FE 100mm f/2.8 STF GM delivers a Specdex score of 92 — strongest in sharpness.

Does Tamron 35-150mm f/2-2.8 Di III VXD or Sony FE 100mm f/2.8 STF GM 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 35-150mm f/2-2.8 Di III VXD or Sony FE 100mm f/2.8 STF GM? +

Tamron 35-150mm f/2-2.8 Di III VXD — leads on build (94 vs 88). Compared on the build sub-score.

Which is the better value, Tamron 35-150mm f/2-2.8 Di III VXD or Sony FE 100mm f/2.8 STF GM? +

Sony FE 100mm f/2.8 STF GM — more score per dollar ($1,498 vs $1,899). Specdex score per dollar at MSRP.