Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Can... - 2024 report by Whydis

Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras

Product Description From the Manufacturer: Broaden your perspective with the Canon EF 17-40mm ultra-wide-angle zoom lens. Ideal for both film and digital SLR cameras, the lens offers three aspherical lens elements in addition to a Super UD (ultra-low...

Reviews by Features

Bokeh

(14 reviews)
Zoom

(21 reviews)
Range

(42 reviews)
Shot

(21 reviews)
Picture

(45 reviews)
Price

(30 reviews)
Contrast

(30 reviews)
Focus

(27 reviews)
Color

(68 reviews)
Angle

(85 reviews)
Build

(56 reviews)
Barrel distortion

(56 reviews)
Problem

(37 reviews)
Hood

(11 reviews)

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Reviews around bokeh (5.00 of 5)

  • Like every wide-angle it shows an amazing DOF; so, getting it to produce a decent bokeh is a little tricky, even at f/4
  • Great for landscapes at 17mm and has enough bokeh for portraits at 40mm f4.
  • Also you'd be surprised how much nice bokeh you can get at f/4.
  • My 17-40 is incredibly sharp, the bokeh at f4 is excellent, and the colors are perfect
  • Thanks to 7 diaphragm blades, this lens can produce very nice bokeh at 40mm (blur effects).One of the most cited weaknesses is the f/4 aperture
  • Read remaining 14 reviews for bokeh

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Reviews around zoom (4.73 of 5)

  • The "L" zooms are a little bulkier, but very managable.
  • Very sharp, light, fairly compact with versatile wide angle zoom
  • A really superb wide angle zoom, that "feels right" in your hand, at a reasonable price.
  • Very sharp, light, fairly compact with versatile wide angle zoom
  • Got this to have a nice wide zoom for my 5D mkII, and I love the lens.
  • Read remaining 21 reviews for zoom

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Reviews around range (4.71 of 5)

  • This it an awesome lens, it has great clarity and with the 17-40mm capability a great range of uses
  • This is a very good lens offering a useful range of focal lengths
  • On the whole, this is a fantastic lens, with a great range
  • This it an awesome lens, it has great clarity and with the 17-40mm capability a great range of uses
  • 17-40 excellent range and size and all my 77mm filters fit, perfectly satisfied with this lens.
  • Read remaining 42 reviews for range

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Reviews around shot (4.70 of 5)

  • I did buy a 30D at the same time, and it's a fantastic purchase, also, but my old 300D takes great shots with the "L" lens.
  • Yet this lens had no problem focusing or getting good shots in those conditions with my 430EX flash what so ever
  • That said, f4 is not a show stopper and will degrade only a few shots
  • Some reviewers had said that with the max of f4, the lens wouldn't get good shots in low to dim light
  • I love the different shots I am able to get with just one lens!
  • Read remaining 21 reviews for shot

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Reviews around picture (4.60 of 5)

  • The lens took horrible pictures above f/15, and anything below f/8 was pretty poor as well.
  • This lens is a must-have if you're serious about taking good pictures
  • The 17-40 is priced very competitively for a Canon L lens and creates beautiful landscape pictures
  • and it takes sharper pictures at f2.8 than this lens takes at f12.
  • I explained that this lens was producing no better pictures (and in some cases worse pictures) than my kit lens, so I asked 'why would I spend the money on an L lens if my pictures are not improved'.
  • Read remaining 45 reviews for picture

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Reviews around price (4.59 of 5)

  • the only drawback is the price, but i feel it is well worth it
  • not much to add to other reviewers comments both technical and descriptivelens is smooth and solidly built as all L lensyou do need to add on a filter to complete water resistanceas well as protect lens against dust and finger printsvery fast smooth focuscanon quality at affordable price for amateur and pro
  • I give this lens 5/5 stars, simply due to its extremely affordable price (for an L lens) and excellent performance
  • Considering the fairly modest asking price, unless you really need a faster aperture ultra wide angle this really is a good deal for what you get a pro grade lens that doesn't cost a fortune, not perfect (maybe not as sharp as some would like from an L lens) but still very good.
  • For a cheap price you're getting a lens that can withstand a drop from about 5 and half feet and still be good
  • Read remaining 30 reviews for price

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Reviews around contrast (4.59 of 5)

  • Not sure if this is normal on an APS-C camera or not, but I'm a little mystified as to how this is happening!
  • Pro: excellent picture quality, great picture contrast, smooth focusing motors, excellent glass quality
  • THIS IS ONE GREAT LENS ,VERY SHARP WITH GOOD CONTRAST ,FUN TO USE AND GREAT
  • The contrast and colors are vibrant and it's sharp from edge to edge wide open
  • the contrast and sharpness are great, it is relatively fast and extremely reliable, the success rate with this lens is excellent
  • Read remaining 30 reviews for contrast

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Reviews around focus (4.38 of 5)

  • I continue to be impressed with the sharp high contrast photos and the super fast auto focus
  • It does suffer from a bit slow focus mechanism, soft corner, and chroma aberrations
  • The focus and zoom rings are super smooth and feel great
  • I took a portrait at full zoom of the same person (40 mm or 65 mm equivalent and 85 mm or 135 equivalent), cut out the critical focus area from both pix and equalized the two crops in terms of pixel numbers
  • Pros:- Among the very best build quality.- Excellent, buttery smooth, super fast front-focus system.- Top notch color and contrast
  • Read remaining 27 reviews for focus

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Reviews around color (4.01 of 5)

  • Photos with this lens are very good concerning sharpness, color and contrast and there is a minimum of barrel distortion as well
  • It's one of the less expensive "L" lenses, making it a relative bargain.
  • As any Canon L series lens, the image is superb with high resolution and wonderful color saturation
  • And if you have money to burn, definitely look at the more expensive L lenses.
  • Overall I find this L lens has better color and a bit sharper.
  • Read remaining 68 reviews for color

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Reviews around angle (3.87 of 5)

  • Great L lens for the Canon's line of ultra wide angle zoom lens
  • For an L-series lens, I'm surprised that this lens isn't sharper, but it's also one of the least expensive L-series lenses
  • It's one of the less expensive "L" lenses, making it a relative bargain.
  • For the price, I haven't used a better wide angle lens.
  • For the money this is the best wide angle lens you can buy
  • Read remaining 85 reviews for angle

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Reviews around build (3.80 of 5)

  • It's one of the less expensive "L" lenses, making it a relative bargain.
  • Good quality glass and one of the least expensive L lenses you can buy.
  • Great L lens for the Canon's line of ultra wide angle zoom lens
  • It then becomes a standard zoom with the 1.6 crop factor and is a great first L lens because of its price
  • The price makes it one of the cheaper L lenses on the market today, but it doesn't sacrifice build quality, or image quality
  • Read remaining 56 reviews for build

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Reviews around barrel distortion (2.90 of 5)

  • This lens doesn't come free of distortions, especially so at the wide end where you can notice some barrel distortion
  • If you need super fast and sharp I would go with a prime or maybe 16-35mm
  • Final summary: This is not a fantastic lens but still a legendary "L" and is worth the price
  • The short end, like most wide zooms, shows some barrel distortion
  • If you need super fast and sharp I would go with a prime or maybe 16-35mm
  • Read remaining 56 reviews for barrel distortion

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Reviews around problem (2.85 of 5)

  • Final summary: This is not a fantastic lens but still a legendary "L" and is worth the price
  • I already knew what was going on long before buying this lens, this is still a great L lens what will be with me when I do get around to purchasing a full frame camera.
  • It then becomes a standard zoom with the 1.6 crop factor and is a great first L lens because of its price
  • Great L lens for the Canon's line of ultra wide angle zoom lens
  • It's one of the less expensive "L" lenses, making it a relative bargain.
  • Read remaining 37 reviews for problem

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Reviews around hood (2.05 of 5)

  • Negative:*Only thing i can really think of is that the lens hood is a little too bulky, i like the hood and i use it all the time
  • While the hood may look odd, remember that it was intended for a full-frame camera where this lens would be a true 17-40mm - making a shallow hood necessary.
  • The big, oddly-shaped petal hood is a bit unwieldy, and has to be stored separately from the lens if you want to fit it easily into most camera bags
  • I think it may be something of a feel-good-hood if you're not consiencious about flare.
  • First time I bought this lens from amazon, the lens came with a used and scratched up lens hood, just like it has been negligently used
  • Read remaining 11 reviews for hood

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More about Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras

  • Product Description From the Manufacturer: Broaden your perspective with the Canon EF 17-40mm ultra-wide-angle zoom lens
  • Ideal for both film and digital SLR cameras, the lens offers three aspherical lens elements in addition to a Super UD (ultra-low dispersion) glass element, creating superior optics in all conditions. From the Manufacturer Broaden your perspective with the Canon EF 17-40mm ultra-wide-angle zoom lens
  • Ideal for both film and digital SLR cameras, the lens offers three aspherical lens elements in addition to a Super UD (ultra-low dispersion) glass element, creating superior optics in all conditions
  • In addition, the lens focuses as close as 11 inches (0.28mm), and offers both Canon's full-time manual focus and a powerful ring-type ultra-sonic monitor (USM) that produces fast and silent autofocus
  • Other features include a constant f/4 maximum aperture, the choice of screw-in 77mm filters or a holder in the rear of the lens for up to three gel filters, and optical coatings optimized for use with digital cameras
  • Boasting weather-resistant construction similar to other high-end L-series cameras, the lens carries a one-year warranty
  • Focal length: 17-40mm Maximum aperture: 1:4 Lens construction: 12 elements in 9 groups Diagonal angle of view: 104 to 57 degrees (at 30 feet) Focus adjustment: Inner focusing system with USM Closest focusing distance: 0.9 feet Zoom system: Rotating type Filter size: 77mm Dimensions: 3.3 inches in diameter, 3.8 inches long Weight: 1.1 pounds A new and affordable L-series ultra-wide-angle zoom lens that's ideal for both film and digital SLRs
  • Superior optics are assured by the use of three Aspherical lens elements, in addition to a Super UD (Ultra-low Dispersion) glass element
  • Optical coatings are optimized for use with digital cameras
  • This lens focuses as close as 11 inches (0.28m), and offers both Canon's full-time manual focus and a powerful ring-type USM for fast and silent AF
  • It has a constant f/4 maximum aperture, and offers the choice of screw-in 77mm filters or a holder in the rear of the lens for up to three gel filters
  • Finally, it offers weather-resistant construction similar to other high-end L-series lenses
  • About half the price of the 16-35 f/2.8 lens, this L-series lens has an entirely new optical design with three Aspherical elements and a Super UD-glass element
  • The combination provides superb contrast and sharpness, even at the widest settings
  • It's ideal for both film and digital SLRs, and features the same weather-resistant design, rear gel filter holder, and high-speed Ultrasonic Motor as the EF 16-35mm lens
  • What's in the box: Canon EF 17-40mm f/4L USM Lens,E-77U 77mm Snap-On Lens Cap,Lens Dust Cap E (Rear),EW-83E Lens Hood,Lens Case LP1319 and 1-Year Warranty.