Testseek.co.uk have collected 23 expert reviews of the Canon EF 17-40mm f/4.0L USM and the average rating is 81%. Scroll down and see all reviews for Canon EF 17-40mm f/4.0L USM.
(81%)
23 Reviews
Average score from experts who have reviewed this product.
Abstract: The Canon 17-40mm f/4 L is a high quality lens with a full-frame image circle that showed really exceptional performance on the EOS-20D we used to test it with. (The EOS-20D has a nominally APS-C size sensor, so corner sharpness and distortion will be bet...
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(88%)
Published: 2014-01-13, Author: Kevin , review by: dxomark.com
Due to its more glamorous sibling this modest lens is often overlooked though it's well known for its high-performance by Canon users. As a small, light, highly portable zoom it would make a great choice for travel, landscapes and general-purpose photogra...
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Published: 2013-07-15, Author: Jim , review by: pcmag.com
Ultra-wide field of view. Reasonable price tag. Good center sharpness.
Muddy edges and corners at 17mm. Some distortion. Noticeable color fringing
The Canon EF 17-40mm f/4L USM lens is an inexpensive alternative to the 16-35mm f/2.8, but its edges are muddy at its widest angle....
This article reviews Canons EF 17-40mm f/4L USM wide angle zoom lens, covering its features, performance, image quality and the value for money aspects. Features and Specifications(Image from Canon Website)The Canon EF 17-40mm f/4L USM lens is known...
Its not exactly easy to design a flawless full format lens and the Canon EF 17-40mm f/4 USM L shows its part of the struggles here. The lens is not overly fast but it has a comparatively broad range for a lens in this class and it seems as if Canon h...
It isnt lighter than the 16-35/2.8L. It isnt better quality than the 16-35/2.8L. It isnt dramatically wide on the small sensor cameras. However, if you want a high quality wide-angle zoom with a medium weight and a medium aperture, the 17-40/4L is a...
Canon L build and optical quality, Fast and quiet USM focusing motor, Constant f4 aperture throughout range, Will also work on full-frame body
Shorter zoom range than kit lens, No IS (although not particularly necessary), Overkill if not considering full-frame in future, Canon EF-S 17-85mm more flexible for most
Canon EF 17-40mm verdict for cropped APS-C bodies The Canon EF 17-40mm may deliver spectacular ultra-wide angle coverage when fitted to a full-frame body like the EOS 5D, but offers a more normal, general-purpose range when mounted on cropped bodies l...
Abstract: Canon is the only company to make digital cameras with 35mm sized sensors. This lens can still be used on the APS-C sensor-equipped cameras, such as the EOS 400D or 30D, but there is a shift in the angle of view – expressed as a 35mm eq
Abstract: Review of the Canon EF 17-40mm f/4L USM LensComparison with Canon EF 20mm f/2.8 and Sigma 20mm f/1.8 EX Canon EF 17-40mm f/4 LThis article reviews the full frame performance of the Canon EF 17-40mm f/4L lens. My intented use of the lens is for landscap...
