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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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|Aperture Control Design||Aperture controlled by camera|
|Compatible Lens Hood Part Number||EW-83E|
|Compatible Mountings||Canon EF|
|Included Components||LP1319 Lens Pouch Case , EW-83-E lens Hood.|
|Item Dimensions||3.31 x 3.31 x 3.82 inches|
|Item Display Weight||0.5 Kilograms|
|Item Weight||1.1 pounds|
|Lens Type||Zoom lens|
|Macro Focus Range||0.28 m|
|Manufacturer Warranty Description|
|Material Type||Metal barrel, Metal mount|
|Maximum Aperture Range||F4.0|
|Maximum Focal Length||40 mm|
|Maximum Format Size||35mm full frame|
|Minimum Focal Length||17 mm|
|Number of Diaphragm Blades||7|
|Number of Elements||12|
|Number of Groups||9|
|Photo Filter Thread Size||77 mm|
|Real Angle Of View||104 Degrees|
|Shipping Weight||1.85 pounds|
|Style Name||17-40mm Lens Only|
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|Sold By||Amazon.com||Amazon.com||Amazon.com||DigitalandMore||33 Street Camera||Amazon.com|
|Compatible Mountings||Canon EF||Canon EF||Canon EF-S||—||Canon EF||Canon EF|
|Focus Type||Ultrasonic||Ring-type ultrasonic||Stepper motor||manual_only||Ring-type ultrasonic||Ring-type ultrasonic|
|Item Dimensions||3.31 x 3.82 x 3.31 in||3.27 x 4.45 x 3.27 in||2.95 x 2.83 x 2.95 in||2 x 6 x 2 in||3.5 x 4.41 x 3.5 in||3.31 x 4.21 x 3.31 in|
|Item Weight||1.1 lbs||1.36 lbs||0.53 lb||2.2 lbs||1.4 lbs||1.48 lbs|
|Lens||Zoom lens||Zoom lens||wide-angle||zoom||Zoom lens||Zoom lens|
|Maximum Focal Length||40 millimeters||35 millimeters||18 millimeters||105 millimeters||35 millimeters||105 millimeters|
|Minimum Focal Length||17 millimeters||16 millimeters||10 millimeters||24 millimeters||16 millimeters||24 millimeters|
|Photo Filter Thread Size||77 millimeters||77 millimeters||67 millimeters||77 millimeters||82 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.
Top customer reviews
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Because I already invested in 77mm filters for my 10-20mm Sigma lens I was able to use the polarizer for either of them depending if I wanted a wide angle or regular picture. Just remember that having this lens on a camera with a cropped sensor does cut down on the lens's wide angle ability. Since I plan on upgrading to a full frame camera this wasn't really a drawback for me. The lens does a awesome job capturing images in all kinds of lighting and varying compositions without any flare or vignetting along the edges, which is to be expected of something as a L lens. When focusing it's very quick and quite, also a nice perk is its ability to zoom without having to extend out of the tube. This ensures there isn't going to be any sand or dirt getting caught up on part exposed during extensions, there are a few occasions where I spent cleaning out the particles from my Sigma lens because of this.
-Ultra sonic motors are super quite and quick in focusing.
-Glass elements do a great job cutting back any potential flaring or vignetting.
-Lens Housing is self contained helping to prevent any dirt or sand from getting to the lens's sensitive insides.
-Be aware that f/4 is going to make you either use a higher ISO or longer shutter speeds while in low light conditions. This isn't even a concern for me since the speedlite 430ex II does a great job helping this lens maintain proper exposure in indoor activities.
-If using on a cropped sensor such as Canon's Rebel family this lens may not be wide angle lens you are looking for. 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. I found myself using this lens for taking everyday pictures and scenes that doesn't require ultra wide view to capture.
I haven't seen any reviews that have mentioned how the close focus ability impacts the perception of wide angle. Anyway, I'm very pleased with the purchase. Only thing that could be better would be an all-metal body on the lens. It feels a bit less luxurious due to the plastic barrel.
Just my 2 cents. **Also** Sounds crazy...but true...somehow my copy of this lens is close-focusing at 5 or 6 inches rather than 11. 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!
At this price, this lens is worth having if you need this range, but don't be afraid to consider other options if the image quality is the same at a lower price. And if you have money to burn, definitely look at the more expensive L lenses.
Most recent customer reviews
Delivered on time on perfect shape.