Canon EF 17-40mm f/4L USM

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$702.00 $886.00 21% off

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  • Lightweight
  • Small
  • Cheaper
close the bad
  • Sharpness is not consistent

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Canon EF 17-40mm f4.0L USM
Canon EF 17-40mm f4.0L USM
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Canon EF 17-40mm f4.0L USM

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$702.00 $886.00  21% off

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Canon EF 17-40mm F4.0L USM Camera Lens (8806A002)
Canon EF 17-40mm F4.0L USM Camera Lens (8806A002)

Canon EF 17-40mm F4.0L USM Camera Lens (8806A002)

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  • CURRENT PRICE $702.00
  • LOWEST PRICE $661.00
  • HIGHEST PRICE $711.00

Canon EF 17-40mm F/4L USM Review

The Canon EF 17-40mm is an ultra wide angle zoom lens with f/4 maximum aperture for Canon SLR cameras. It has 3 aspherical lens elements that focus as close as 11 inches.


This zoom lens is well-built with maximum speed front focus system. The color and contrast are of high caliber with a crisp and detailed center resolution. There is softness at the f/4 aperture and the focal length is a bit narrow compared to other lenses. It is somewhat slow. Best as a walk around lens when going on a trip or for any outdoor adventure, this Canon EF 17-40mm lens has shorter zoom focal length of around 40mm which is narrow enough for portraits. With smaller lens and light weight, this is easy to carry wherever you want to go for any photo adventure. The glass of this lens is first-class although undersized and light. It is actually the smallest and the lightest from Canon L series. Although it looks a little flimsy and seems vulnerable to damage, it is quite durable and can be carried with you on any casual settings.


There is a problem with the sharpness. Some experts find it less accurate and detailed when it comes to landscape photos which is the ultimate reason for its design as an ultra wide angle zoom lens. With other lenses, this sharpness problem is just less emphasized but not with this lens. It is advised that a UV filter be bought to address the slight movement of the front element of this lens. This lens has a funny hood which is literally not being useful in any way. This 17-40mm lens has a newer version, 17-55mm f/2.8 that seems sharper and hopefully better. Because of some negative comments about this lens, other photographers are enthusiastically waiting for the release of a better one. All in all, the Canon EF 17-40mm ultra wide angle zoom lens f/4 is an excellent buddy for casual photo escapade. Its weight and size make it easy to carry and it is fairly durable enough to be carried around. It is less expensive and less heavy compared to the Canon EF 16-35mm if price is a big issue.

  • The Good :
    Lightweight, Small, Cheaper
  • The Bad :
    Sharpness is not consistent
Our score:
4.5 / 5

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Product Description

  • The Canon EF 17-40mm f/4L USM is manufactured by Canon and was added in December 2014 in the Camera Lenses section
  • This product has a rating of 4.5 out of 5
  • The best price of the Canon EF 17-40mm f/4L USM in Canada is $702.00 at S World Electronics
  • You can compare prices for the Canon EF 17-40mm f/4L USM and save up to 21% or $184.00
  • In Canada this product is available in Toronto, Vancouver, Ottawa-Gatineau
  • You can find this product at Henrys, S World Electronics

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