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Sony FE 14mm f/1.8 GM — Prime/zoom
Sony

Sony FE 14mm f/1.8 GM

Prime/zoom

92
/ 100
From $1,598
VS
Sony FE 14mm f/1.8 GM wins by 1
Tamron 28-75mm f/2.8 Di III VXD G2 — Sony E · f/2.8 · 540g · $899
Tamron

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

Sony E · f/2.8 · 540g · $899

91
/ 100
From $899
Specdex verdict

Sony FE 14mm f/1.8 GM takes it — here’s why.

In our weighted Specdex score, Sony FE 14mm f/1.8 GM lands at 92 and Tamron 28-75mm f/2.8 Di III VXD G2 at 91. That puts Sony FE 14mm f/1.8 GM ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Sony FE 14mm f/1.8 GM if…

  • Proven optical formula
  • Weather-sealing (L/GM/S)
  • Strong resale

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

  • 540g — lightest f/2.8 24-70 alternative
  • Better than first-party G Master at $899
  • Quiet VXD AF motor
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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.

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 (92 vs 88).

Build

Sony FE 14mm f/1.8 GM

Compared on the build sub-score

Sony FE 14mm f/1.8 GM leads on build (90 vs 88).

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 $1,598).

Sony FE 14mm f/1.8 GM 92
vs
91 Tamron 28-75mm f/2.8 Di III VXD G2

Score breakdown

Sony FE 14mm f/1.8 GM
92
sharpness 92
af 88
build 90
value 86
Tamron 28-75mm f/2.8 Di III VXD G2
91
sharpness 92
af 92
build 88
value 96

Specs side-by-side

Sony FE 14mm f/1.8 GM versus Tamron 28-75mm f/2.8 Di III VXD G2 — full spec comparison
Spec Sony FE 14mm f/1.8 GM Tamron 28-75mm f/2.8 Di III VXD G2
Mount
Sony E
Focal length
28-75 mm
Aperture
f/2.8
Construction
17 elements / 15 groups
Min focus
0.18 m
Filter
67 mm
Weight
540 g

Sony FE 14mm f/1.8 GM

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

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

Pros
  • +540g — lightest f/2.8 24-70 alternative
  • +Better than first-party G Master at $899
  • +Quiet VXD AF motor
Cons
  • 28mm wide-end vs 24mm of Sony GM
  • No image stabilization
  • No fluorine front coating

FAQ: Sony FE 14mm f/1.8 GM vs Tamron 28-75mm f/2.8 Di III VXD G2

Which is better, Sony FE 14mm f/1.8 GM or Tamron 28-75mm f/2.8 Di III VXD G2? +

Sony FE 14mm f/1.8 GM scores 92 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Sony FE 14mm f/1.8 GM worth the price? +

At $1,598, Sony FE 14mm f/1.8 GM delivers a Specdex score of 92 — strongest in sharpness.

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 91 — strongest in value.

Does Sony FE 14mm f/1.8 GM or Tamron 28-75mm f/2.8 Di III VXD G2 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 autofocus, Sony FE 14mm f/1.8 GM or Tamron 28-75mm f/2.8 Di III VXD G2? +

Tamron 28-75mm f/2.8 Di III VXD G2 — leads on af (92 vs 88). Compared on the autofocus sub-score.

Which is better for build, Sony FE 14mm f/1.8 GM or Tamron 28-75mm f/2.8 Di III VXD G2? +

Sony FE 14mm f/1.8 GM — leads on build (90 vs 88). Compared on the build sub-score.