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Canon RF 100-500mm f/4.5-7.1L IS USM — Prime/Zoom
Canon

Canon RF 100-500mm f/4.5-7.1L IS USM

Prime/Zoom

93
/ 100
From $2,699
VS
Canon RF 100-500mm f/4.5-7.1L IS USM wins by 2
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
Specdex verdict

Canon RF 100-500mm f/4.5-7.1L IS USM takes it — here’s why.

In our weighted Specdex score, Canon RF 100-500mm f/4.5-7.1L IS USM lands at 93 and Canon EF 24-70mm f/2.8L II USM at 91. That puts Canon RF 100-500mm f/4.5-7.1L IS USM ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon RF 100-500mm f/4.5-7.1L IS USM if…

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

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

  • ✓Proven optical formula
  • ✓Weather-sealing (L/GM/S)
  • ✓Strong resale
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Winner by scenario

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

Sharpness

Canon RF 100-500mm f/4.5-7.1L IS USM

Compared on the sharpness sub-score

Canon RF 100-500mm f/4.5-7.1L IS USM leads on sharpness (93 vs 91).

Build

Canon RF 100-500mm f/4.5-7.1L IS USM

Compared on the build sub-score

Canon RF 100-500mm f/4.5-7.1L IS USM leads on build (94 vs 90).

Autofocus

Canon RF 100-500mm f/4.5-7.1L IS USM

Compared on the autofocus sub-score

Canon RF 100-500mm f/4.5-7.1L IS USM leads on af (92 vs 87).

Value for money

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

Specdex score per dollar at MSRP

Canon EF 24-70mm f/2.8L II USM more score per dollar ($1,899 vs $2,699).

Canon RF 100-500mm f/4.5-7.1L IS USM 93
vs
91 Canon EF 24-70mm f/2.8L II USM

Score breakdown

Canon RF 100-500mm f/4.5-7.1L IS USM
93
sharpness 93
af 92
build 94
value 84
Canon EF 24-70mm f/2.8L II USM
91
sharpness 91
af 87
build 90
value 86

Specs side-by-side

Canon RF 100-500mm f/4.5-7.1L IS USM versus Canon EF 24-70mm f/2.8L II USM — full spec comparison
Spec Canon RF 100-500mm f/4.5-7.1L IS USM Canon EF 24-70mm f/2.8L II USM

Canon RF 100-500mm f/4.5-7.1L IS USM

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

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

FAQ: Canon RF 100-500mm f/4.5-7.1L IS USM vs Canon EF 24-70mm f/2.8L II USM

Which is better, Canon RF 100-500mm f/4.5-7.1L IS USM or Canon EF 24-70mm f/2.8L II USM? +

Canon RF 100-500mm f/4.5-7.1L IS USM scores 93 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is Canon RF 100-500mm f/4.5-7.1L IS USM worth the price? +

At $2,699, Canon RF 100-500mm f/4.5-7.1L IS USM delivers a Specdex score of 93 — strongest in build.

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.

Does Canon RF 100-500mm f/4.5-7.1L IS USM or Canon EF 24-70mm f/2.8L II 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, Canon RF 100-500mm f/4.5-7.1L IS USM or Canon EF 24-70mm f/2.8L II USM? +

Canon RF 100-500mm f/4.5-7.1L IS USM — leads on sharpness (93 vs 91). Compared on the sharpness sub-score.

Which is better for build, Canon RF 100-500mm f/4.5-7.1L IS USM or Canon EF 24-70mm f/2.8L II USM? +

Canon RF 100-500mm f/4.5-7.1L IS USM — leads on build (94 vs 90). Compared on the build sub-score.