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| Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras |
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![Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras]()
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List Price: $1,200.00
Our Price: $643.98
You Save: $ 556.02 (46%)
Availability: Usually ships in 24 hours
Manufacturer: Canon
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Average Customer Rating:  
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Binding: Electronics
Brand: Canon
EAN: 0013803028058
Feature: 17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras
Is Autographed: 0
Is Memorabilia: 0
Label: Canon
Manufacturer: Canon
Maximum Focal Length: 40
Minimum Focal Length: 17
Model: 8806A002
Optical Zoom: 2.4
Publisher: Canon
Special Features: all-glass-optical
Studio: Canon
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Features
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17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras
3 aspherical lens elements and super UD glass element create superior optics in all conditions
Powerful ring-type ultra-sonic monitor (USM) produces fast and silent autofocusing
Focuses as close as 11 inches; supports screw-in 77mm filters or up to 3 gel filters
Weather-resistant construction; measures 3.3 inches in diameter; 1-year warranty
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Editorial Reviews:
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The EF17-40mm f/4L USM is an ultra wide angle Canon EF zoom lens meant for professional and high amateur SLR EOS camera users.While it is an excellent lens when used with an analog SLR camera, the EF17-40mm f/4L USM is especially well suited for digital SLR cameras with an imaging sensor size smaller than the 35mm format. Indeed on such digital SLR cameras these focal lengths can give an angle of view approximately equivalent to that of a 28-70mm lens used on a 35mm camera, which makes it the ideal standard zoom lens.The EF17-40mm f/4L USM has 12 lens elements arranged in 9 groups. Super Spectra Coating on the elements ensures excellent color balance and minimizes ghosting and flare. To provide superb image quality over a 17-40mm zoom range the lens uses three aspheric elements of two different types, while Super UD (Ultra-low Dispersion) glass is used to prevent the chromatic aberrations that often can degrade the subject edge clarity.Minimum focusing distance is just 28mm throughout the entire zoom range. The Auto-focus works silently and quickly thanks to a fast central processing unit with an improved AF algorithm. You can override AF mode with manual focus should you wish. Controlled by an electromagnetic diaphragm, the EF17-40mm f/4L USM's circular aperture can achieve a more attractive appearance to out of focus background areas in a picture. The front of the lens does not rotate as you focus. This means, for example, that polarizing filters still function effectively as you zoom in and out. At the rear of the lens there's a drop-in gelatin filter holder. Highly resistant to moisture and dust, the EF17-40mm f/4L USM is ideally suited for use in harsh environments. Environment friendly lead-free glass is used throughout its construction.
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| Spotlight customer reviews: |
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Customer Rating:
Summary: Amazing
Comment: This lens is amazingly sharp and well-built. As a wedding photographer, I would highly recommend it. It is gorgeously wide, especially on a full-frame body like the 5D. Buy this lens!
Customer Rating:
Summary: fantastic lens
Comment: Even 2 years ago the 17-40 L Canon lens was reserved for professional photographers because of its high price. Now it became available also for amatours. It's an amazing lens. Any picture taken with it its just fantastic. The colors, the sharpness, the quality its just beyond other lenses. "L" form canon holds its quality. I highly reccomend this lens for all photographers for whom taking pictures is more than just a hobby. IT'S DEFINITELY WORTH ITS PRICE!!!
Customer Rating:
Summary: An excellent lens
Comment: This lens seems sharp at all distances and apertures. We are very pleased with it.
Customer Rating:
Summary: Now, THIS is a lens!
Comment: No plastic grinding against plastic when you focus this thing. Feels just like my Fujinon lens I use on my TV news camera. Pro gear. Want some? Pay up.
Customer Rating:
Summary: Great Lens
Comment: I bought this with my Canon 30D. This is a great lens and L series is the best. I have mostly L lens because the quality is worth the money.
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