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CANON EF 17-40MM F4.0L USM

Web Code: 010CAN070  •  Mfr Code: 8806A002
CANON EF 17-40MM F4.0L USM
Was: $1,170.03 CAD
Now Only $749.99 CAD
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CANON EF 17-40MM F4.0L USM is rated 4.6 out of 5 by 52.
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Product Highlights
  • Ultra-wide-angle Zoom Lens
  • Ideal for film & digital SLRs
  • Super Ultra-low Dispersion Glass
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  • Ultra-wide-angle Zoom Lens
  • Ideal for film & digital SLRs
  • Super Ultra-low Dispersion Glass
  • Filter Diameter: 77mm
  • Three aspherical lens elements
  • 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
  • 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
  • Offers weather-resistant construction similar to other high-end L-series lenses
 
 

Lens Performance

Lens Type: Digital SLR Lenses
Focal Length: 17-40mm
Maximum Aperture: f/4.0
Aperture (Max. & Min.): Max: f/4.0, Min: f/22
Camera Mount Type: Canon EF
Camera Format: Full-Frame
Angle of View: 104-57 degrees
Minimum Focus Distance: 0.28m
Maximum Close-Up Magnification: 0.24x
Groups/Elements: 9 Groups/12 Elements
Diaphragm Blades: 7

Lens Features

Image Stabilization: No
Autofocus: Yes
Tripod Collar: No

Physical

Filter Thread: 77mm
Dimensions (DxL): 3.3x3.8"
Weight: 476g

Additional Information

Warranty: 1 year manufacturer warranty
 
 
Rated 5 out of 5 by from great price, great lens I have carried this lens for little over a year now, using it mainly for real estate photography and landscapes. For this purpose, there was no need to opt for the 16-35 f/2.8, which is double the price. The lens is also great for party shots, when you need to get a big group in the picture. Although there is some distortion, thats what you get at 17mm, with any lens. Between the weight, price, build, and sharpness, this is one of the best "L" lenses that Canon makes. I would suggest this lens to anyone interested in landscape photography, or simply want a wide angle to add to their kit. In my opinion, f/4 is plenty on an ultra wide angle.
Date published: 2014-01-23
Rated 5 out of 5 by from You Will Not Regret The 17-40L The 17-40L lens is an amazing lens to own. Don't just think landscapes, portraits, action photography...this lens allows you to get right up in the mix. The contrast and colors produced by this lens are perfect. Throw on a circular polorizer or neutral density filter and you'll find yourself shooting outdoors for hours. Combined with a decent body (7D) for example, F4 should not be an issue. AF is quick, lens is light and feels nice in your hands and well weighted in comparison to the camera body. What else can I say.....oh ya it's affordable. P.S. - Take a look at the Canon 85mm 1.8 if you haven't already....it's a great kept secret!!!!
Date published: 2011-07-28
Rated 5 out of 5 by from color is key! the 17-40 is arguably one of the best zooms you can buy as a canon user. yes, the 16-35 is 2.8, but it's also a grand more expensive. not quite sure if that's worth it to me yet. my favorite parts about this lens are the sharpness (especially above 5.6!) and the eyepopping color/contrast mix. i shoot with a 40D, and the 1.6x crop turns the wide end of 17mm into about a 24mm, which is surprisingly wider than i thought it would be. pllllllenty wide for all sorts of uses. built like a tank! remember to get a slim UV filter though, or you might run into some more vignetting.
Date published: 2009-04-21
Rated 5 out of 5 by from Great ZWA Lens! As my first "L" glass purchase, I was extremely pleased at the large step-up the 17-40f/4 L provided over the kit lens (on original D-Rebel). Sharpness, Color, Clarity and Bokeh far exceeded it in performance, and of course, Quality! I find the f/4 to be very fast and for me, it was well worth the additional cost!! Complimenting this, my walk around is the 24-105 f/4 L IS and on the long end, 100-400 f/4.5-5.6L IS... what a Great Trio set for the investment. I've researched long and hard and haven't found any to be better. Great job, Canon!!!
Date published: 2008-11-27
Rated 5 out of 5 by from Best L Value I use the 17-40 f/4L on a 7D body for landscapes and perspective shots. The 17-40 is lightweight, fast-focusing, sharp, and has great color and contrast. The only area where the 16-35 f/2.8L wins is aperature. Bokeh isn't that much of an issue in this focal length, but you can get some decent results wide open and close up at 40mm. At half the price of a 16-35, it's hard to beat this lens. Bring a tripod along for Blue Hour, and add a slim polarizer to really knock some socks off. If you're having that 16/17 debate in your head, put your savings towards more L glass. The 17-40 can't shoot handheld in really low light, but it's lighter and artistically identical in every other way. If budget or weight aren't even a slight consideration, or if you "live" in low light, get the 16 of course.
Date published: 2011-12-02
Rated 5 out of 5 by from Super Solide UWA Picked this lens up to be my main less for Landscape, Night Club, and Architecture. Super solid build and the USM is ultra fast in low light, only has trouble is SUPER dark times, but the AF assist beams on my 430exII takes care of that. Amazingly well on flaring. The only time I've seen it is shooting almost directly into the sun and there was a TINY bit of it. For people who don't NEED the f2.8 (anything I would need a f2.8 on I have my flash) this would be the lens to get. The only reason I would see to get the f2.8 would be if your regularly shot places you can't use flash...since if you are doing landscape you are going to close up the aperture anyways, and at this focal range you can take care of anything with flash.
Date published: 2010-03-05
Rated 5 out of 5 by from Can't miss I have used this lens now for a few months and have shot a few thousand images on a 40D. Most of my photos are of work related industrial machinery shot a close range indoors with a flash. However the real capability of this lens was apparent when I was shooting some fall foliage colors in the Northeastern USA. Colors were vivid and the images sharp, saving time in post processing. I have it paired with a 24-105 f4L and find that this pair is perfect for all of my close to medium range work. The build quality is superb
Date published: 2008-11-11
Rated 5 out of 5 by from An outstanding value I've used this lens for about 2 years now and am extremely happy with the results. CAs are a bit of an issue in strongly backlit areas (trees against light skies), but nothing software can't easliy fix. I use it mostly for scenics and even at apertures around f-16, where sharpness in many lenses starts to fall, it is still critically sharp. Also nice is the light weight and tough, L build. My only gripe is the big hood, but it's not such a big deal.
Date published: 2009-10-12
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