The Canon EF USM f/3.5 is a wide-angle, 28 mm lens for Canon cameras that can shoot panoramic pictures. The focus of this Canon lens can be automatically adjusted between 28 mm to 105 mm, enabling quick, accurate, and magnified images of the subject, provided the minimum focusing distance is 0.5 m. With an aperture range of f/3.5-27, this Canon EF USM f/3.5 allows you to shoot clear and vivid outdoor photographs. With a 0.19 x magnification, this Canon lens offers definite details of small objects which are at a distance. Having a construction of 15 elements in 12 groups and 7 diaphragm blades, this Canon EF USM f/3.5 lens helps in capturing premium photos. The 58 mm filter protects this 28 mm lens from dirt and scratches.