Lightweight and powerful, the Canon EF-S f/3.5 is a wide-angle 18 mm lens, ideal for EOS digital SLR cameras. The focus of the Canon IS lens can be automatically adjusted between 18 mm and 55 mm to take photographs of an object with a minimum focusing distance of 0.25 m. With an aperture range of f/3.5-38, this Canon EF-S f/3.5 allows you to shoot clear and crisp outdoor photos. Having a construction of 11 elements in 9 groups and 6 diaphragm blades, this Canon EF-S f/3.5 controls the 18 mm lens’ performance for delivering excellent photos. The 58 mm filter of the Canon IS lens protects the lens from dirt and abrasion.