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Sony FE 135mm f/1.8 GM — Prime/Zoom
Sony

Sony FE 135mm f/1.8 GM

Prime/Zoom

95
/ 100
From $2,098
VS
Canon RF 70-200mm f/2.8L IS USM — Prime/Zoom
Canon

Canon RF 70-200mm f/2.8L IS USM

Prime/Zoom

95
/ 100
From $2,799
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Sony FE 135mm f/1.8 GM lands at 95 and Canon RF 70-200mm f/2.8L IS USM at 95. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Sony FE 135mm f/1.8 GM if…

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

Pick Canon RF 70-200mm f/2.8L IS 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

Tie

Compared on the sharpness sub-score

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

Autofocus

Tie

Compared on the autofocus sub-score

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

Build

Tie

Compared on the build sub-score

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

Value for money

Sony FE 135mm f/1.8 GM

Specdex score per dollar at MSRP

Sony FE 135mm f/1.8 GM more score per dollar ($2,098 vs $2,799).

Sony FE 135mm f/1.8 GM 95
vs
95 Canon RF 70-200mm f/2.8L IS USM

Score breakdown

Sony FE 135mm f/1.8 GM
95
sharpness 95
af 94
build 94
value 84
Canon RF 70-200mm f/2.8L IS USM
95
sharpness 95
af 94
build 94
value 84

Specs side-by-side

Sony FE 135mm f/1.8 GM versus Canon RF 70-200mm f/2.8L IS USM — full spec comparison
Spec Sony FE 135mm f/1.8 GM Canon RF 70-200mm f/2.8L IS USM

Sony FE 135mm f/1.8 GM

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

Canon RF 70-200mm f/2.8L IS USM

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

FAQ: Sony FE 135mm f/1.8 GM vs Canon RF 70-200mm f/2.8L IS USM

Which is better, Sony FE 135mm f/1.8 GM or Canon RF 70-200mm f/2.8L IS USM? +

Both score 95 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Sony FE 135mm f/1.8 GM worth the price? +

At $2,098, Sony FE 135mm f/1.8 GM delivers a Specdex score of 95 — strongest in sharpness.

Is Canon RF 70-200mm f/2.8L IS USM worth the price? +

At $2,799, Canon RF 70-200mm f/2.8L IS USM delivers a Specdex score of 95 — strongest in sharpness.

Does Sony FE 135mm f/1.8 GM or Canon RF 70-200mm f/2.8L IS 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 the better value, Sony FE 135mm f/1.8 GM or Canon RF 70-200mm f/2.8L IS USM? +

Sony FE 135mm f/1.8 GM — more score per dollar ($2,098 vs $2,799). Specdex score per dollar at MSRP.