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Canon EF17-40L EF 17-40mm f/4L USM – Diameter 77mm to suit Lens Hood EW-83E

SKU: EF17-40L

This product has now been discontinued.



As a landscape lens, the EF 17-40mm f/4L USM features a ring-type ultrasonic motor for superfast, accurate autofocus in near silence, as well as wide open centre and corner sharpness for finely detailed images. Its seven-blade circular aperture delivers excellent OOF (Out of Focus) blur quality, while the lens itself offers superb full-frame compatibility and performance.

Perfect for Landscape Photography

This is a great choice if you are interested in landscape photography or real estate and architecture photography, and is especially handy if you need to work in a tight space.

Affordable, light and portable

The EF 17-40mm f/4L USM combines outstanding L-series build quality with an affordable price tag. Its size makes it easy to carry and comfortable to use, while its versatility and superior optical performance make it a great general purpose lens.


Focal Length 17 to 40mm
Maximum Aperture f/4
Minimum Aperture f/22
Lens Mount Canon EF
Format Compatibility Full-Frame
Angle of View 104° to 57° 30′
Maximum Magnification 0.24x
Minimum Focus Distance 11.02″ / 28 cm
Optical Design 12 Elements in 9 Groups
Diaphragm Blades 7, Rounded
Focus Type Autofocus
Image Stabilization None
Filter Size 77 mm (Front)
Gel Filter (Rear)
Dimensions (D x L) 3.29 x 3.81″ / 83.57 x 96.77 mm
Weight 1.1 lb / 500 g

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