Item Description

The Canon EF 17-40mm f/4L USM is a legendary ultra-wide-angle zoom lens that belongs to Canon's prestigious L-series. Offering a versatile 17-40mm focal range, it is an ideal choice for landscape, architecture, and interior photography on full-frame cameras. On APS-C bodies, it provides a 27-64mm equivalent range, making it a versatile standard zoom as well. The lens features a constant f/4 maximum aperture throughout the zoom range, ensuring consistent exposure and depth-of-field control. Its optical construction comprises 12 elements in 9 groups, including one Super UD and three aspherical elements, which effectively minimize chromatic aberration and deliver sharp, high-contrast images. The ring-type USM provides fast, quiet, and accurate autofocus with full-time manual focus override. The lens also features a dust- and moisture-resistant construction, making it suitable for outdoor shooting in challenging conditions.

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