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Canon 11-24mm f/4L USM

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The Canon 11-24mm f/4L USM

The Canon 11-24mm f/4L is a high-quality, ultra-wide angle zoom that’s optimized for full-frame Canon DSLRs. Key features include:

Ultra-Wide Zoom. With 126° of coverage at 11mm, the 11-24mm f/4L is Canon’s widest rectilinear zoom lens. This ultra-wide’s extremely high image quality with minimal distortion makes it a perfect choice for landscape and architectural photography. It covers the ultra-wide to moderately wide focal lengths and has constant f/4 aperture throughout the zoom range.

Full-Frame Coverage. The ultra-wide angle zoom offers 35mm full-frame coverage, making it compatible with Canon’s full line of EF-mount DSLRs. When mounted to a crop-frame APS-C camera, it offers a 17.6-38.4mm equivalent focal length.

Ultrasonic Motor. This internal-focusing lens utilizes a ring-type Ultrasonic Motor (USM) for fast, near-silent performance for both still and video use. It's full-time manual for quick tweaks on the go, and the dedicated AF/MF switch allows you to disengage autofocus entirely when desired.

L-Series Quality. As part of the L-series, image and build quality are premium. The 11-24mm f/4L does not disappoint. It features four aspheric, one ultra-low-dispersion, and one "super" ultra-low-dispersion lens elements that effectively correct barrel distortion while reducing chromatic aberrations from corner to corner throughout the zoom range. It has fluorine coatings on external elements and sub-wavelength coatings on the internal elements to minimize image-quality-robbing flare and ghosting. The weather-sealed lens barrel provides protection from the elements, with the fluorine coatings doing double-time by repelling dust and fingerprints.

Built-In Hood. Do note that the lens hood is built into the lens barrel, so there’s no taking it off. This also means there’s no threaded filter ring. However, the lens does accept rear gel filters.

Roger's Take

This is a truly unique offering. A full-frame, rectilinear (non-fisheye), L-quality lens that goes as wide as 11mm. Not many people will need 11mm, not many will be able to use it effectively, but it definitely will provide some unique opportunities.

But everyone, and I mean everyone, is going to appreciate the image quality. It’s at least remarkable, and probably should be described as amazing. It’s every bit as good as the 16-35 f/4 IS L, and does it while being much wider. In case you don’t know, wider lenses are supposed to have poorer image quality. This one does not, it’s amazingly good all the way to 11mm and all the way to the corners.

Be forewarned, though, this is a big, heavy lens, weighing in at over 2.5 pounds. The front element is as curved as anything I’ve seen and you are NOT going to mount front filters to this without a matte box or 4x4 filter holder. To be honest, though, filters, other than ND filters, usually aren’t a great idea on a lens this wide anyway.

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We offer a 3-day inspection period on all sales, during which time you may return the item for a refund of the purchase price, not including shipping.

On this item, we include a LensAuthority 90-day limited warranty. This warranty covers damage that arises from normal use of the item. It does NOT cover accidental or intentional damage. More details are available in our FAQ section.

In addition to the standard 90-day warranty, you may have the option to purchase an extended warranty. If we're able to offer an extended warranty on this item, you'll see a checkbox to add that warranty - see the area just above the "Add to Cart" button.

If you select the extended warranty, you'll get additional protection from Consumer Priority Service ("CPS"). The CPS warranty will take effect after our 90-day warranty ends. However, the CPS warranty term would begin on the date of purchase. For example, if you buy an item with a 2-year extended warranty today, your coverage would end two years from today. Click the link below for all the details:

Extended Warranty Details