The Canon EF 17-40mm f/4 L USM Lens is a wide-angle zoom lens known for its high-quality performance. It features a maximum aperture of f/4.0, making it ideal for capturing detailed images with a shallow depth of field. With both auto and manual focus capabilities, this lens offers versatility for photographers looking to achieve precise shots. The Canon EF mount ensures compatibility with a range of Canon cameras, making it a reliable choice for professional photographers in need of a versatile and reliable lens option.
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