Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
The Canon EF 17-40mm f/4L USM is an ultra wide-angle zoom lens that offers excellent image quality and a constant maximum f4 aperture. Its compact, lightweight body makes it an ideal traveling companion .
|Lens Type||Wide Angle Zoom Lenses|
|Max Format Size||35mm FF|
|Focal length||17 - 40 mm|
|Number of diaphragm blades||7|
|Lens Construction||12 elements in 9 groups|
|Minimum focus distance||0.28 m|
|Maximum magnification||0.24 x|
|Filter size||77 mm|
|Diameter x Length||84 x 97 mm|