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Canon EF 17-40mm f/4L USM

Physical Product · Camera lenses · 12 mentions · 1 subreddit · discussed in r/canon

Reddit take

Not enough linked mention summaries yet; the source excerpts below are the evidence.

Pros

  • I really want to wait for reviews about the 17-40 before praising it too much, but it looks like a slam dunk kind of lens.
  • There are some good value zooms that are pro level eg. 17-40 for wide, 24-105 v1 for mid range and 70-200 f/4's for longer range but that is the future.
  • I just bought the 17-40 last week; already used it for two events.
  • The 17-40 is a huge thing. Suddenly the camera stays home.
  • I have the 17-40. Simply put, its incredible.

Cons

  • The 17-40 is one of Canon's worst L lenses. I had one for many years (first L lens I ever bought) and it was ok for the price.
  • Something to note, it requires a filter to be weather sealed.
  • I can't speak to the quality of the 17-40, besides second hand reports (not an amazing lens).

Sentiment

9 positive (75%) · 1 mixed (8%) · 2 negative (17%)

Trust + time weighted score: +62% · raw score 58%

What redditors said (10 of 12)

I really want to wait for reviews about the 17-40 before praising it too much, but it looks like a slam dunk kind of lens.
positive · u/A****n · r/canon · comment · Jul 5, 2025 · open on Reddit ↗
There are some good value zooms that are pro level eg. 17-40 for wide, 24-105 v1 for mid range and 70-200 f/4's for longer range but that is the future.
positive · u/T****1 · r/canon · comment · Dec 21, 2025 · open on Reddit ↗
I just bought the 17-40 last week; already used it for two events.
positive · u/P****i · r/canon · comment · Nov 25, 2025 · open on Reddit ↗
The 17-40 is a huge thing. Suddenly the camera stays home.
positive · u/o****s · r/canon · comment · Nov 25, 2025 · open on Reddit ↗
I have the 17-40. Simply put, its incredible.
positive · u/W****8 · r/canon · comment · Nov 5, 2025 · open on Reddit ↗
The 17-40 is one of Canon's worst L lenses. I had one for many years (first L lens I ever bought) and it was ok for the price.
negative · u/P****2 · r/canon · comment · Jul 30, 2025 · open on Reddit ↗
Something to note, it requires a filter to be weather sealed.
negative · u/b****d · r/canon · comment · Jul 29, 2025 · open on Reddit ↗
I really enjoyed the 17-40. It was my first L lens. It definitely doesn’t have the image quality of the other L glass, but it had unique character and can render some beautiful images.
positive · u/b****d · r/canon · comment · Jul 29, 2025 · open on Reddit ↗
I can't speak to the quality of the 17-40, besides second hand reports (not an amazing lens).
mixed · u/S****s · r/canon · comment · Jul 29, 2025 · open on Reddit ↗
17-35 f2.8 L is under 400 or 17-40 16-35.
positive · u/G****g · r/canon · comment · Jul 18, 2025 · open on Reddit ↗

Compare

Canon EF 17-40mm f/4L USM vs Canon EF-S 55-250mm f/4-5.6 IS STMCanon EF 17-40mm f/4L USM vs Canon RF 100-400mm f/5.6-8 IS USMCanon EF 17-40mm f/4L USM vs Canon EF 100-400mm f/4.5-5.6L IS II USM

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