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Canon EF 24-70mm f/2.8L II USM — Prime/zoom
Canon

Canon EF 24-70mm f/2.8L II USM

Prime/zoom

91
/ 100
From $1,899
VS
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

Dead heat — it comes down to priorities.

In our weighted Specdex score, Canon EF 24-70mm f/2.8L II USM lands at 91 and Tamron 28-75mm f/2.8 Di III VXD G2 at 91. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Canon EF 24-70mm f/2.8L II USM 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 87).

Build

Canon EF 24-70mm f/2.8L II USM

Compared on the build sub-score

Canon EF 24-70mm f/2.8L II USM 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 $1,899).

Canon EF 24-70mm f/2.8L II USM 91
vs
91 Tamron 28-75mm f/2.8 Di III VXD G2

Score breakdown

Canon EF 24-70mm f/2.8L II USM
91
sharpness 91
af 87
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

Canon EF 24-70mm f/2.8L II USM versus Tamron 28-75mm f/2.8 Di III VXD G2 — full spec comparison
Spec Canon EF 24-70mm f/2.8L II USM 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

Canon EF 24-70mm f/2.8L II USM

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: Canon EF 24-70mm f/2.8L II USM vs Tamron 28-75mm f/2.8 Di III VXD G2

Which is better, Canon EF 24-70mm f/2.8L II USM or Tamron 28-75mm f/2.8 Di III VXD G2? +

Both score 91 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Canon EF 24-70mm f/2.8L II USM worth the price? +

At $1,899, Canon EF 24-70mm f/2.8L II USM delivers a Specdex score of 91 — 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 Canon EF 24-70mm f/2.8L II USM 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, Canon EF 24-70mm f/2.8L II USM 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 87). Compared on the autofocus sub-score.

Which is better for build, Canon EF 24-70mm f/2.8L II USM or Tamron 28-75mm f/2.8 Di III VXD G2? +

Canon EF 24-70mm f/2.8L II USM — leads on build (90 vs 88). Compared on the build sub-score.