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Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras
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- 17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras.Diagonal angle of view 104° - 57° 30'
- 3 aspherical lens elements and super UD glass element create superior optics in all conditions, Closest focusing distance : 0.9 feet
- 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
- Suitable for Wedding/Nature Photography, Weather-resistant construction; measures 3.3 inches in diameter; 1-year warranty
- Purchase this product between May 1, 2016 and July 30, 2016 and get 13 months of free damage protection from Canon. The product must be registered within 30 days of the purchase date to be eligible.
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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Amazon.com||Amazon.com||Amazon.com||digideals4less Top rated seller||Abe's Electronics Center|
|Compatible Mountings||Canon EF||Canon EF||Canon EF||Canon EF-S||Canon EF||—|
|Focus Type||Ultrasonic||Stepper motor||Ring-type ultrasonic||Stepper motor||Ring-type ultrasonic||manual_only|
|Item Dimensions||3.31 x 3.82 x 3.31 in||2.72 x 1.54 x 2.72 in||3.27 x 4.45 x 3.27 in||2.95 x 2.83 x 2.95 in||3.31 x 4.06 x 3.31 in||2 x 6 x 2 in|
|Item Weight||1.1 lbs||5.6 ounces||1.36 lbs||0.53 lb||1.32 lbs||2.2 lbs|
|Lens||Zoom lens||Prime lens||Zoom lens||wide-angle||Zoom lens||zoom|
|Maximum Focal Length||40 millimeters||50 millimeters||35 millimeters||18 millimeters||35 millimeters||105 millimeters|
|Minimum Focal Length||17 millimeters||50 millimeters||16 millimeters||10 millimeters||16 millimeters||24 millimeters|
|Photo Filter Thread Size||77 millimeters||49 millimeters||77 millimeters||67 millimeters||77 millimeters||77 millimeters|
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
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.
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One thing to note, this is a big, round lens. When I put it on, my camera is no longer the least bit inconspicous. It turned my Rebel into a canon. Despite the size, it does not seem heavy at all to me as a smallish female.
I admit I had a hard time justifying the price but my husband made a good point when he said the zoom range would be an equivalent of two fixed, wide angles for which I was pondering. Consider that plus the thought that this is a lens that is going to last for years. I'm expecting to pass it on to one of my children when the grow up!
It comes with a lens hood, pouch (which is not padded), and end cap. I'm just glad Canon made a somewhat affordable L lens for us amateurs who want to save up for a nice piece of equipment.
Basically, it's a good lens minus distortion in my eyes, but what wide angle wont have distortion? I'm no pro...but im more than satisfied with the lens.
Warning: once you use "L" glass, you are going to be spoiled. You may not settle for consumer lenses anymore, although some non-L lenses are quick good from what I read.
In a ideal world this lens would have a faster aperture like f/2 but the constant 4/f is just fine for most things you want to do. There is a bit of distortion at the 17mm focal distance but that is to be expected from such a wide lens and is fairly simple to fix in post.
All in all, this is a great lens for some one who wants to jump in to the L series, extremely reasonable price for the quality delivered.
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