Canon EF 17-40 f/4L USM


An affordable L-series ultra-wide-angle zoom lens that’s ideal for both film and digital SLRs. Superior optics are assured by the use of three aspherical lens elements, in addition to a Super UD (Ultra-low Dispersion) glass element. Optical coatings are optimized for use with digital cameras.

This lens has been discontinued by the manufacturer and can no longer be ordered…

Out of stock


This lens focuses as close as 11 inches (0.28m), and offers both Canon’s full-time manual focus and a powerful ring-type USM for fast and silent AF. It has a constant f/4 maximum aperture, and offers the choice of screw-in 77mm filters or a holder in the rear of the lens for up to three gel filters. Finally, it offers weather-resistant construction similar to other high-end L-series lenses.

Read: Full Specifications (on Canon’s website)

Additional information

Weight 1.7 lbs
Dimensions 7.1 × 5.4 × 5.4 in


Product Type


SKU: SP-CN8806A002 Categories: , , Tags: , ,