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Canon EF 17-40mm f/4L USM Lens

code: 8806A007
  • £564.00
  • RRP: £559.02
Availability | Usually dispatched within 24 hours


  • Capture striking architecture and expansive landscapes with this ultra-wide-angle L-series lens
  • Shoot hand-held and in low light conditions with a fixed aperture of f/4
  • Get closer to your subjects with 0.28 m focusing distance through the entire zoom range
  • Ensure accurate colour balance and enhance contrast along with reduced ghosting and flare with Super Spectra coating
  • Produce sharp, high-contrast images with Super UD (ultra-low dispersion) elements to suppress chromatic aberrations
  • Be prepared for split-second moments with a fast, responsive Auto Focus with Ultra-Sonic Motor (USM)
  • Use specialised filters, such as polarisers and graduates with ease thanks to the non-rotating lens
  • Compatible with all DSLR cameras including full frame and EOS M mirrorless with an EF-EOS M Mount adapter

Canon 8806A007 (880/6A007, 880-6A007, 880 6A007, 8806A/007) EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens

The EF 17-40mm f/4L USM Lens is an ultra-wide-angle lens producing stunning clarity in a range of focal lengths. Its compact, lightweight body makes it an ideal travel companion - suited to interiors, architecture and landscapes, fitting more in the frame without the need to step back. Produce consistent exposures with the large f/4 aperture over the 17-40 mm zoom range and create softer background blur with a 7-blade circular aperture diaphragm. Part of the Canon professional L-series flagship range, its designed for robust handling and resistant to dust and moisture.

Ultra wide lens for analogue EOS SLR cameras

  • The EF17-40mm f/4L USM is an ultra wide angle Canon EF zoom lens meant for professional and high amateur SLR EOS camera users.

Standard zoom lens for digital EOS SLR cameras

  • While it is an excellent lens when used with an analogue SLR camera, the EF17-40mm f/4L USM is especially well suited for digital SLR cameras with an imaging sensor size smaller than the 35mm format. Indeed on such digital SLR cameras these focal lengths can give an angle of view approximately equivalent to that of a 28-70mm lens used on a 35mm camera, which makes it the ideal standard zoom lens.

Superior optical performance

  • The EF17-40mm f/4L USM has 12 lens elements arranged in 9 groups. Super Spectra Coating on the elements ensures excellent colour balance and minimises ghosting and flare. To provide superb image quality over a 17-40mm zoom range the lens uses three aspheric elements of two different types, while Super UD (Ultra-low Dispersion) glass is used to prevent the chromatic aberrations that often can degrade the subject edge clarity.

Extensive set of high-end features

  • Minimum focusing distance is just 28cm throughout the entire zoom range.

The Auto-focus works silently and quickly thanks to a fast central processing unit with an improved AF algorithm. You can override AF mode with manual focus should you wish.

Controlled by an electromagnetic diaphragm, the EF17-40mm f/4L USMs circular aperture can achieve a more attractive appearance to out of focus background areas in a picture.

The front of the lens does not rotate as you focus. This means, for example, that polarising filters still function effectively as you zoom in and out. At the rear of the lens theres a drop-in gelatin filter holder.

Highly resistant to moisture and dust, the EF17-40mm f/4L USM is ideally suited for use in harsh environments. Environment friendly lead-free glass is used throughout its construction.


  • Extender Compatiblity:Not compatible

Physical Specifications

  • Product Weight Input-1:475 g
  • Filter Diameter (MM):77
  • Maximum Diameter X Length (MM):83.5 x 96.8
  • Water/Dust Resistance:Yes

Optical Characteristics

  • AF Actuator:Ring USM
  • Distance Information:Yes
  • Lens Construction (Elements/Groups):43443
  • Minimum Aperture:22
  • AF Actuator AF Footnote:Full time Manual focus
  • Magnification With Extension Tube EF12 II:0.83-0.32
  • Magnification With Extension Tube EF25 II:1.02-0.70
  • Angle Of View:93° - 49°, 70°30' - 34°, 104° - 57°30'
  • Magnification:0.24 (at 40mm)

In The Box

  • EF 17-40mm f/4L USM 
  • Lens Hood EW-83E 
  • Lens Cap E-77U 
  • User Manual
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