Canon EF 17-40mm f/4L USM

Canon EF, full size
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Product details

The EF 17-40 mm 1:4L USM is a lightweight ultra-wide-angle zoom lens. It is particularly suitable for digital EOS SLR cameras. It offers excellent imaging performance across the entire focal length range. It features a very high autofocus speed for its class. Effectively sealed against dust and moisture ingress. Minimum focusing distance of 28 cm at all focal lengths.

Key specifications

Lens type
Normal lens, Wide-angle lens, Zoom lens
Bayonet lens mount
Canon EF
Sensor compatibility
full size
Focus type
Autofocus, Manual focus
Weight
500 g

General information

Item number
433618
Manufacturer
Canon
Category
Lenses
Manufacturer No.
8806A024
Release date
15.4.2012
Sales rank in Category Lenses
253 of 3371

Colour

Colour
Black

Focusing

Minimum focus distance
0.28 m

Camera lens properties

Lens type
Normal lens, Wide-angle lens, Zoom lens
Bayonet lens mount
Canon EF
Focal length
17 - 40 mm
Min. focal length (exact)
17 mm
Max. Focal length (exact)
40 mm
Aperture
4 f/
Min. aperture
22 f/
Sensor compatibility
full size
Number of diaphragm blades
7x
Filter thread
77 mm
Number of lenses
12
Number of lens groups
9
Lens equipment
Fixed front lens, Internal focusing, Metal bayonet, Zoom function
Optical zoom
2.40x
Focus type
Autofocus, Manual focus
Durability
Weather resistant

Product dimensions

Weight
500 g
Length
96.80 mm
Diameter
83.50 mm

Package dimensions

Length
18.50 cm
Width
13.50 cm
Height
13.50 cm
Weight
812 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Lenses» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Canon
    0.3 %
  • 2.7artisans
    0.4 %
  • 2.Nikon
    0.4 %
  • 2.Sigma
    0.4 %
  • 5.Panasonic
    0.5 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 7.Sony
    11 days
  • 7.Tamron
    11 days
  • 9.Panasonic
    12 days
  • 10.Fujifilm
    14 days
  • 11.Canon
    17 days

Return rate

How often is a product of this brand in the «Lenses» category returned?

Source: Digitec Galaxus
  • 1.Fujifilm
    5.4 %
  • 2.Nikon
    5.6 %
  • 3.Canon
    6.1 %
  • 3.Sony
    6.1 %
  • 5.OM System
    6.7 %
Source: Digitec Galaxus