This quality Canon USM lens is part of the brand's L-series. Its light and compact construction makes it stand from the crowd, allowing you to take it anywhere. The colors portrayed by this product catch the senses, as they come in super clear and vibrant. It features an ultra-wide-angle zoom, a UD glass element, 17 to 40mm focus length, and an aperture of f/4.0. This lens allows you to capture images as close as 11 inches. It also offers a powerful ring-type USM for a fast and silent auto focus and an easy to handle Manual Focus. Furthermore, you can choose and share many filters thanks to its 77mm filter threads.