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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
Canon EF 24-70mm f/2.8L II USM wins by 3
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
Specdex verdict

Canon EF 24-70mm f/2.8L II USM takes it — here’s why.

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 88. That puts Canon EF 24-70mm f/2.8L II USM ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

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…

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

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

Compared on the sharpness sub-score

Canon EF 24-70mm f/2.8L II USM leads on sharpness (91 vs 88).

Autofocus

Tie

Compared on the autofocus sub-score

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

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
88 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
88
sharpness 88
af 87
build 94
value 84

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

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

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? +

Canon EF 24-70mm f/2.8L II USM scores 91 on our weighted rubric — ahead by 3. 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 88 — strongest in build.

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 build, 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 build (94 vs 90). Compared on the build sub-score.

Which is better for sharpness, 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 sharpness (91 vs 88). Compared on the sharpness sub-score.