To meet the growing demand of digital SLR owners, this ultra-wide-angle zoom offers a broader view, fast aperture, and closer focusing down to 11 in. (.28m). The first EF wide-angle zoom to combine three Aspherical elements and Canons UD glass, the lens remains compact while providing superior image quality across its range. Constructed to pro standards, its also highly resistant to dust and moisture.
A superb lens that covers nearly every professional wide-angle task. Outstanding optical performance comes from three Aspherical lens elements, and (for the first time ever in an EF wide-angle zoom lens) two Ultra-low Dispersion UD elements. Weather resistant construction, a rear gel filter holder, close-focusing to 11 inches (0.28m), and a circular diaphragm are among its many highlights.
