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Review: Canon RF 14-35mm f/4L IS USM

Posted on September 21, 2021April 26, 2022 by Jordan Steele

Contents

  • 1Construction and Handling
  • 2Autofocus and Stabilization
  • 3Image Quality
  • 4Distortion, Flare and Vignetting
  • 5Conclusion
  • 6Image Samples

Conclusion

Pros

  • Well constructed lens with smooth and well damped controls
  • Extremely compact and lightweight for a 14-35mm ultra-wide zoom
  • Fast and silent autofocus
  • Excellent close-up capability at 35mm
  • Image Stabilizer works very well
  • Very sharp over most of the frame throughout the focal range
  • Excellent color and contrast
  • Low longitudinal chromatic aberration
  • Takes standard 77mm front filters

Cons

  • Extremely high barrel distortion at 14mm requires digital correction
  • Moderate lateral chromatic aberration, especially at the wide end
  • High vignetting throughout the focal range
  • Edges and corners retain some minor softness even stopped down at the wider focal lengths
  • Only average flare performance
  • Expensive

The Canon RF 14-35mm f/4L IS USM is a lens that is really hard to pin down when thinking about conclusions and recommendations. On paper, the lens hits almost every high point for an ultra-wide zoom: it has an outstanding range from a truly ultra-wide 14mm all the way to 35mm, takes standard front filters, is very compact and lightweight, is image stabilized and has great close focus capabilities. However, with all those great things comes some caveats. The biggest may be the price. The lens is $1,699, which is quite high for an f/4 ultra wide zoom, being $400 more expensive than Nikon’s Z 14-30mm f/4, $600 more expensive than Canon’s own EF 16-35mm f/4L, and $300 more expensive than Sigma’s outstanding EF mount 14-24mm f/2.8. However it is the same price as Sony’s 12-24mm f/4, and while it isn’t as wide, it also is much longer and can take front filters.

Also on the down side, the lens displays some edge softness, high distortion at the wide end and fairly high vignetting throughout, which is a little hard to swallow at that $1,700 price.

With all of that said, I really enjoyed shooting with this lens. While it doesn’t get quite as sharp at the edges as something like my Sigma 14-24mm, it also is just massively lighter and easier to carry on a hike. It takes 77mm filters that you may already own, and having a lens that starts at 14mm and goes all the way to 35mm is extremely versatile. And, to be honest, it’s rare that the slightly softer edges and corners will make a noticeable difference to the quality of the final image in all but the largest prints.

In the end, despite the high price and few optical issues, the lens is still very compelling. Edit, 4/26/22: After some time, I eventually decided to pick up this lens for myself. The compact size and light weight make it simply a joy to use in the field, and the excellent IS unit allows for sharp shots indoors where other wide angles may struggle a little, even with in-body stabilization. It’s an exciting, if imperfect lens, and I think it it will hit the right balance of performance and convenience for a lot of photographers.

Image Samples

Click on an image to enlarge:

Scioto River, Columbus – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 21mm, f/11, 1/60s, ISO 100
Honey Run Falls – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 21mm, f/11, 30s, ISO 50
Hotel Leveque – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 14mm, f/11, 0.6s, ISO 100
Main Street Bridge, Columbus – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 26mm, f/11, 30s, ISO 100
Honey Run Falls – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 14mm, f/11, 60s, ISO 100
Ohio Statehouse – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 31mm, f/11, 1/13s, ISO 100
Statehouse Statue – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 35mm, f/4, 1/50s, ISO 100
Leveque Tower – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 17mm, f/8, 1/400s, ISO 160
Deer before Dawn – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 14mm, f/11, 20s, ISO 100 (focus stack of two images)
Honey Run Falls – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 14mm, f/9, 30s, ISO 200
One Columbus – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 14mm, f/11, 1/3s, ISO 100
Columbus at Sunrise – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 20mm, f/16, 1/320s, ISO 100
Honey Run – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 27mm, f/11, 8s, ISO 100
Grasshopper – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 35mm, f/6.3, 1/80s, ISO 160
Ohio Statehouse – Canon EOS R5 with Canon RF 14-35mm f/4L IS @ 35mm, f/11, 1/30s, ISO 100
If you enjoyed this review, check out my other reviews in the Review Index.
Pages: 1 2 3

7 thoughts on “Review: Canon RF 14-35mm f/4L IS USM”

  1. Bob Eastaugh says:
    September 21, 2021 at 3:55 pm

    Many thanks for this review. And the accompanying images are all first rate.

    Reply
  2. Peter Clayton says:
    September 21, 2021 at 6:14 pm

    I agree – many thanks for this thoughtful review of a lens I’m very seriously considering. Pity it’s price is so high in Australia!

    Reply
  3. Florent says:
    September 23, 2021 at 8:19 am

    Thanks for the review, Jordan.
    It’s very compact for a FF lens. I guess it was possible bysoftware correction instead of optical correction. The price is a bit too high in my opinion though.

    Optically, how does it compare to the Fuji 10-24 f4?

    Thanks!

    Reply
    1. Jordan Steele says:
      September 23, 2021 at 9:13 am

      It’s really hard for me to compare them. First, because I owned the Fuji 10-24 quite a long while back, having sold it I believe sometime in 2017. As such, I haven’t used it in around 4 years. I also only shot with the lens on the 16 Megapixel X-E2 and X-T1, so comparing it to images that I shot with the 14-35mm on the 45MP R5 isn’t really a fair comparison. Though, looking through old images, the 10-24 has better distortion control. The 14-35mm has nicer sunstars to my eye, and both lenses are reasonably sharp with good color and contrast. Beyond that I can’t really say a ton definitively between them as a direct comparison.

      Reply
  4. George says:
    November 14, 2021 at 2:07 pm

    Great and thorough review, thanks!
    I am deciding on this one or the 15-35mm f2.8 version. It will be very helpful if you could do a comparison

    Reply
  5. L says:
    January 18, 2022 at 12:43 pm

    “Extremely high barrel distortion at 14mm requires digital correction” were not displayed on your sample images. Have these images been processed with lens profile software? Which software you applied the corrections?

    Reply
    1. Jordan Steele says:
      January 18, 2022 at 1:00 pm

      Yes….all those images where distortion was noticeable were processed in Digital Photo Professional for the review, which applies Canon’s profile. In the section on distortion, I provide an architectural example showing the distortion uncorrected and corrected.

      Reply

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