| Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras |  | Brand: Canon
Category: Photography
List Price: $1,200.00
Buy New: $633.99
You Save: $566.01 (47%)
New (29) Used (5) from $580.00
Rating:  114 reviews
Media: Electronics
Autographed: No
Memorabilia: No
Optical Zoom: 2.4
Maximum Focal Length: 40
Minimum Focal Length: 17
Shipping Weight (lbs): 1.1
Dimensions (in): 7.2 x 5.4 x 5.2
all-glass-optical
MPN: 8806A002
Model: 8806A002
UPC: 013803028058
EAN: 0013803028058
ASIN: B00009R6WO
Availability: Usually ships in 1-2 business days
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| Features:
| • | 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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Product Description
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.
Amazon.com Product Description
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
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| Customer Reviews: Read 109 more reviews...
 Amazing November 17, 2008
James S. Hafner (Austin, TX)
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!
fantastic lens October 26, 2008
Piotr Maczka
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!!!
An excellent lens September 22, 2008
Susannah H. Moore
This lens seems sharp at all distances and apertures. We are very pleased with it.
Now, THIS is a lens! September 1, 2008
Rugersix (SAN FRANCISCO, CA USA)
0 out of 1 found this review helpful
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.
Great Lens July 7, 2008
J. Wong (Northridge,Calif.)
2 out of 6 found this review helpful
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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