Sony FE 14mm f/1.8 GM
Prime/zoom
Tamron 28-75mm f/2.8 Di III VXD G2
Sony E · f/2.8 · 540g · $899
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
Winner by scenario
Derived from the sub-score breakdown · not a separate testSharpness
TieCompared on the sharpness sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Autofocus
Tamron 28-75mm f/2.8 Di III VXD G2Compared 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 GMCompared 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 G2Specdex score per dollar at MSRP
Tamron 28-75mm f/2.8 Di III VXD G2 more score per dollar ($899 vs $1,598).
Score breakdown
Specs side-by-side
| 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
- +Proven optical formula
- +Weather-sealing (L/GM/S)
- +Strong resale
- −Mount-specific
- −Older AF motor on some
- −Heavier than modern counterparts
Tamron 28-75mm f/2.8 Di III VXD G2
- +540g — lightest f/2.8 24-70 alternative
- +Better than first-party G Master at $899
- +Quiet VXD AF motor
- −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.