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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
VS
Canon RF 50mm f/1.2L USM wins by 5
Canon RF 50mm f/1.2L USM — Prime/Zoom
Canon

Canon RF 50mm f/1.2L USM

Prime/Zoom

96
/ 100
From $2,299
Specdex verdict

Canon RF 50mm f/1.2L USM takes it — here’s why.

In our weighted Specdex score, Tamron 28-75mm f/2.8 Di III VXD G2 lands at 91 and Canon RF 50mm f/1.2L USM at 96. That puts Canon RF 50mm f/1.2L USM ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.

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

Pick Canon RF 50mm f/1.2L USM if…

  • ✓Fast autofocus
  • ✓Weather-sealed
  • ✓Premium optics
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Winner by scenario

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

Sharpness

Canon RF 50mm f/1.2L USM

Compared on the sharpness sub-score

Canon RF 50mm f/1.2L USM leads on sharpness (96 vs 92).

Autofocus

Canon RF 50mm f/1.2L USM

Compared on the autofocus sub-score

Canon RF 50mm f/1.2L USM leads on af (95 vs 92).

Build

Canon RF 50mm f/1.2L USM

Compared on the build sub-score

Canon RF 50mm f/1.2L USM leads on build (94 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 $2,299).

Tamron 28-75mm f/2.8 Di III VXD G2 91
vs
96 Canon RF 50mm f/1.2L USM

Score breakdown

Tamron 28-75mm f/2.8 Di III VXD G2
91
sharpness 92
af 92
build 88
value 96
Canon RF 50mm f/1.2L USM
96
sharpness 96
af 95
build 94
value 84

Specs side-by-side

Tamron 28-75mm f/2.8 Di III VXD G2 versus Canon RF 50mm f/1.2L USM — full spec comparison
Spec Tamron 28-75mm f/2.8 Di III VXD G2 Canon RF 50mm f/1.2L USM
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
—

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

Canon RF 50mm f/1.2L USM

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

FAQ: Tamron 28-75mm f/2.8 Di III VXD G2 vs Canon RF 50mm f/1.2L USM

Which is better, Tamron 28-75mm f/2.8 Di III VXD G2 or Canon RF 50mm f/1.2L USM? +

Canon RF 50mm f/1.2L USM scores 96 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.

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.

Is Canon RF 50mm f/1.2L USM worth the price? +

At $2,299, Canon RF 50mm f/1.2L USM delivers a Specdex score of 96 — strongest in sharpness.

Does Tamron 28-75mm f/2.8 Di III VXD G2 or Canon RF 50mm f/1.2L USM 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 sharpness, Tamron 28-75mm f/2.8 Di III VXD G2 or Canon RF 50mm f/1.2L USM? +

Canon RF 50mm f/1.2L USM — leads on sharpness (96 vs 92). Compared on the sharpness sub-score.

Which is better for autofocus, Tamron 28-75mm f/2.8 Di III VXD G2 or Canon RF 50mm f/1.2L USM? +

Canon RF 50mm f/1.2L USM — leads on af (95 vs 92). Compared on the autofocus sub-score.